{"id":20351,"date":"2024-09-27T14:45:34","date_gmt":"2024-09-27T07:45:34","guid":{"rendered":"https:\/\/kawasan.vn\/?post_type=product&#038;p=20351"},"modified":"2026-09-16T13:51:23","modified_gmt":"2026-09-16T06:51:23","slug":"chuong-cua-khong-day-khong-pin-model-db818a","status":"publish","type":"product","link":"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/","title":{"rendered":"DB818A Battery-Free Wireless Doorbell"},"content":{"rendered":"<h1><span class=\"ez-toc-section\" id=\"Gioi_thieu_san_pham_chuong_cua_khong_day_khong_pin_DB818A\"><\/span>Product Introduction \u2013 DB818A Battery-Free Wireless Doorbell<span class=\"ez-toc-section-end\"><\/span><\/h1><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_69_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" >N\u1ed9i Dung B&agrave;i Vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/#Gioi_thieu_san_pham_chuong_cua_khong_day_khong_pin_DB818A\" title=\"Product Introduction \u2013 DB818A Battery-Free Wireless Doorbell\">Product Introduction \u2013 DB818A Battery-Free Wireless Doorbell<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/#1_Gioi_thieu_chung_ve_san_pham_DB818A\" title=\"1. Gi\u1edbi thi\u1ec7u chung v\u1ec1 s\u1ea3n ph\u1ea9m DB818A\">1. Gi\u1edbi thi\u1ec7u chung v\u1ec1 s\u1ea3n ph\u1ea9m DB818A<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/#11_Thong_so_ky_thuat_chi_tiet\" title=\"1.1 Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt chi ti\u1ebft\">1.1 Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt chi ti\u1ebft<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/#2_Loi_ich_vuot_troi_cua_chuong_cua_khong_day_khong_pin_DB818A\" title=\"2. L\u1ee3i \u00edch v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a chu\u00f4ng c\u1eeda kh\u00f4ng d\u00e2y kh\u00f4ng pin DB818A\">2. L\u1ee3i \u00edch v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a chu\u00f4ng c\u1eeda kh\u00f4ng d\u00e2y kh\u00f4ng pin DB818A<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/#21_Khong_can_thay_pin_%E2%80%93_tiet_kiem_chi_phi_va_than_thien_moi_truong\" title=\"2.1 Kh\u00f4ng c\u1ea7n thay pin \u2013 ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 th\u00e2n thi\u1ec7n m\u00f4i tr\u01b0\u1eddng\">2.1 Kh\u00f4ng c\u1ea7n thay pin \u2013 ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 th\u00e2n thi\u1ec7n m\u00f4i tr\u01b0\u1eddng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/#22_Am_luong_co_the_dieu_chinh\" title=\"2.2 \u00c2m l\u01b0\u1ee3ng c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh\">2.2 \u00c2m l\u01b0\u1ee3ng c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/#23_38_kieu_chuong_da_dang\" title=\"2.3 38 ki\u1ec3u chu\u00f4ng \u0111a d\u1ea1ng\">2.3 38 ki\u1ec3u chu\u00f4ng \u0111a d\u1ea1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/#24_Khang_nuoc_chong_bui_hieu_qua\" title=\"2.4 Kh\u00e1ng n\u01b0\u1edbc, ch\u1ed1ng b\u1ee5i hi\u1ec7u qu\u1ea3\">2.4 Kh\u00e1ng n\u01b0\u1edbc, ch\u1ed1ng b\u1ee5i hi\u1ec7u qu\u1ea3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/#25_Khoang_cach_phat_song_linh_hoat\" title=\"2.5 Kho\u1ea3ng c\u00e1ch ph\u00e1t s\u00f3ng linh ho\u1ea1t\">2.5 Kho\u1ea3ng c\u00e1ch ph\u00e1t s\u00f3ng linh ho\u1ea1t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/#26_Tich_hop_mo_rong_cho_nhieu_khong_gian\" title=\"2.6 T\u00edch h\u1ee3p m\u1edf r\u1ed9ng cho nhi\u1ec1u kh\u00f4ng gian\">2.6 T\u00edch h\u1ee3p m\u1edf r\u1ed9ng cho nhi\u1ec1u kh\u00f4ng gian<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/#3_Ung_dung_thuc_te_cua_chuong_cua_khong_day_DB818A\" title=\"3. \u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a chu\u00f4ng c\u1eeda kh\u00f4ng d\u00e2y DB818A\">3. \u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a chu\u00f4ng c\u1eeda kh\u00f4ng d\u00e2y DB818A<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/#31_Danh_cho_nha_o_can_ho\" title=\"3.1 D\u00e0nh cho nh\u00e0 \u1edf, c\u0103n h\u1ed9\">3.1 D\u00e0nh cho nh\u00e0 \u1edf, c\u0103n h\u1ed9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/#32_Van_phong_cong_ty\" title=\"3.2 V\u0103n ph\u00f2ng, c\u00f4ng ty\">3.2 V\u0103n ph\u00f2ng, c\u00f4ng ty<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/#33_Cua_hang_nha_hang_khach_san\" title=\"3.3 C\u1eeda h\u00e0ng, nh\u00e0 h\u00e0ng, kh\u00e1ch s\u1ea1n\">3.3 C\u1eeda h\u00e0ng, nh\u00e0 h\u00e0ng, kh\u00e1ch s\u1ea1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/#34_Nha_co_nhieu_tang_nhieu_phong\" title=\"3.4 Nh\u00e0 c\u00f3 nhi\u1ec1u t\u1ea7ng, nhi\u1ec1u ph\u00f2ng\">3.4 Nh\u00e0 c\u00f3 nhi\u1ec1u t\u1ea7ng, nhi\u1ec1u ph\u00f2ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/#TAI_SAO_NEN_CHON_KAWASAN\" title=\"WHY CHOOSE KAWASAN?\">WHY CHOOSE KAWASAN?<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/#CAM_KET_TU_KAWASAKAWASAN\" title=\"KAWASAN COMMITMENT\">KAWASAN COMMITMENT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/#Mua_chinh_hang_tai\" title=\"Buy genuine products at:\">Buy genuine products at:<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p>One of the most practical products in this category is the <strong>DB818A battery-free wireless doorbell<\/strong>. M\u1ed9t gi\u1ea3i ph\u00e1p ho\u00e0n h\u1ea3o cho c\u00e1c gia \u0111\u00ecnh, v\u0103n ph\u00f2ng, ho\u1eb7c c\u00e1c c\u01a1 s\u1edf kinh doanh, gi\u00fap n\u00e2ng cao tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u1edbi thi\u1ebft k\u1ebf hi\u1ec7n \u0111\u1ea1i v\u00e0 nhi\u1ec1u t\u00ednh n\u0103ng th\u00f4ng minh.<\/p>\n<p>S\u1ea3n ph\u1ea9m DB818A kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m chi ph\u00ed nh\u1edd v\u00e0o vi\u1ec7c kh\u00f4ng c\u1ea7n thay pin, m\u00e0 c\u00f2n mang l\u1ea1i s\u1ef1 an to\u00e0n v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng. H\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 nh\u1eefng \u01b0u \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a chu\u00f4ng c\u1eeda kh\u00f4ng d\u00e2y kh\u00f4ng pin DB818A qua b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n<figure id=\"attachment_21653\" aria-describedby=\"caption-attachment-21653\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-21653 size-large\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/1-94.png\" alt=\"Chu\u00f4ng b\u00e1o DB818A\" width=\"1024\" height=\"914\" srcset=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/1-94.png 900w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/1-94-768x768.png 768w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/1-94-640x640.png 640w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/1-94-400x400.png 400w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-21653\" class=\"wp-caption-text\">DB818A Wireless Doorbell<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"1_Gioi_thieu_chung_ve_san_pham_DB818A\"><\/span>1. <strong>General Introduction to the DB818A<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The DB818A wireless doorbell consists of <strong>two main components:<\/strong>:<\/p>\n<ul>\n<li><strong>Push Button<\/strong>: Designed to operate without a battery. It generates its own electrical energy when pressed and transmits a wireless signal to the chime receiver.<\/li>\n<li><strong>Chime Receiver<\/strong>: Powered directly by 220V\u2013240V AC, 50Hz\/60Hz. The volume can be adjusted and multiple ringtone options can be selected.<\/li>\n<\/ul>\n<p>With these features, the DB818A is suitable for multi-story houses, large homes, offices, and retail stores. Its battery-free push button helps reduce long-term maintenance costs and supports a more sustainable, environmentally friendly solution.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"11_Thong_so_ky_thuat_chi_tiet\"><\/span>1.1 <strong>Detailed Technical Specifications<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Chime Receiver Power Supply<\/strong>: 220V\u2013240V AC, 50Hz\/60Hz<\/li>\n<li><strong>Volume<\/strong>: Adjustable from 0 to 70dB, suitable for different environments<\/li>\n<li><strong>Ringtones<\/strong>: Offers 38 different ringtone options, allowing users to easily select a sound according to their personal preference.<\/li>\n<li><strong>Wireless Transmission Range<\/strong>: Approximately 30\u201380m from the push button to the chime receiver, depending on obstacles<\/li>\n<li><strong>Dust and Water Resistance<\/strong>: Push button rated IP54 for outdoor use; chime receiver rated IP20 for indoor installation<\/li>\n<li><strong>Material<\/strong>: High-quality ABS plastic<\/li>\n<li><strong>Push Button Pairing<\/strong>: To pair the push button with the chime receiver, press and hold the volume adjustment button for approximately 3\u20134 seconds, then press the doorbell button 1\u20132 times to complete pairing<\/li>\n<\/ul>\n<figure id=\"attachment_21656\" aria-describedby=\"caption-attachment-21656\" style=\"width: 452px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-21656\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/2-84.png\" alt=\"Chu\u00f4ng b\u00e1o DB818A\" width=\"452\" height=\"509\" srcset=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/2-84.png 900w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/2-84-768x768.png 768w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/2-84-640x640.png 640w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/2-84-400x400.png 400w\" sizes=\"auto, (max-width: 452px) 100vw, 452px\" \/><figcaption id=\"caption-attachment-21656\" class=\"wp-caption-text\">DB818A Wireless Doorbell<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"2_Loi_ich_vuot_troi_cua_chuong_cua_khong_day_khong_pin_DB818A\"><\/span>2. <strong>Key Benefits of the DB818A Battery-Free Wireless Doorbell<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"21_Khong_can_thay_pin_%E2%80%93_tiet_kiem_chi_phi_va_than_thien_moi_truong\"><\/span>2.1 <strong>No Battery Replacement Required \u2013 Cost Saving and Environmentally Friendly<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>One of the biggest advantages of the DB818A is that the <strong>push button does not require a battery<\/strong>. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n kh\u00f4ng ph\u1ea3i thay pin th\u01b0\u1eddng xuy\u00ean, gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111\u00e1ng k\u1ec3 trong su\u1ed1t qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng. Ngo\u00e0i ra, vi\u1ec7c kh\u00f4ng s\u1eed d\u1ee5ng pin c\u0169ng l\u00e0 c\u00e1ch b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng hi\u1ec7u qu\u1ea3. Gi\u1ea3m l\u01b0\u1ee3ng r\u00e1c th\u1ea3i pin kh\u00f3 ph\u00e2n h\u1ee7y v\u00e0 c\u00e1c h\u00f3a ch\u1ea5t \u0111\u1ed9c h\u1ea1i.<\/p>\n<p>N\u00fat nh\u1ea5n ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean c\u01a1 ch\u1ebf t\u1ef1 ph\u00e1t \u0111i\u1ec7n m\u1ed7i khi nh\u1ea5n. Nh\u1edd \u0111\u00f3 c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t t\u00edn hi\u1ec7u t\u1edbi \u0111\u1ea7u chu\u00f4ng m\u00e0 kh\u00f4ng c\u1ea7n ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng t\u1eeb pin. \u0110\u00e2y l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i, gi\u00fap ng\u01b0\u1eddi d\u00f9ng y\u00ean t\u00e2m v\u1ec1 t\u00ednh b\u1ec1n b\u1ec9 v\u00e0 l\u00e2u d\u00e0i c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"22_Am_luong_co_the_dieu_chinh\"><\/span>2.2 <strong>Adjustable Volume<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>With an adjustable volume range from <strong>0 to 70dB<\/strong>, the DB818A provides flexible operation for different environments.\nUsers can select a suitable volume for quiet areas such as bedrooms and offices, or increase the volume for larger spaces such as living rooms, hallways, or outdoor-adjacent areas.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"23_38_kieu_chuong_da_dang\"><\/span>2.3 <strong>38 Selectable Ringtones<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The product provides <strong>38 different ringtone options<\/strong> , ranging from soft notification tones to clearer and more noticeable chimes.\nThis allows users to select a ringtone that suits their personal preferences and the specific installation environment, whether at home or in an office.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"24_Khang_nuoc_chong_bui_hieu_qua\"><\/span>2.4 <strong>Water-Resistant and Dust-Resistant Design<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The DB818A push button is designed for outdoor installation. With an <strong>IP54 rating<\/strong>, n\u00fat nh\u1ea5n c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng n\u01b0\u1edbc v\u00e0 ch\u1ed1ng b\u1ee5i, \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng t\u1ed1t ngay c\u1ea3 khi ti\u1ebfp x\u00fac v\u1edbi m\u01b0a gi\u00f3 hay b\u1ee5i b\u1ea9n. \u0110i\u1ec1u n\u00e0y gi\u00fap gia t\u0103ng tu\u1ed5i th\u1ecd s\u1ea3n ph\u1ea9m, gi\u1ea3m thi\u1ec3u r\u1ee7i ro h\u1ecfng h\u00f3c khi s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi.<\/p>\n<p>\u0110\u1ea7u chu\u00f4ng l\u1eafp \u0111\u1eb7t trong nh\u00e0 c\u0169ng \u0111\u1ea1t chu\u1ea9n <strong>IP20<\/strong>and is intended for indoor installation.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"25_Khoang_cach_phat_song_linh_hoat\"><\/span>2.5 <strong>Flexible Wireless Transmission Range<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The wireless transmission range between the <strong>push button and the chime receiver<\/strong> is approximately <strong>30m to 80m<\/strong>, depending on the number and type of obstacles in the surrounding environment.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"26_Tich_hop_mo_rong_cho_nhieu_khong_gian\"><\/span>2.6 <strong>Expandable Configuration for Multiple Areas<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Another useful feature of the DB818A is its <strong>expandable pairing capability<\/strong>One chime receiver can be connected to <strong>up to 4 push buttons<\/strong>, making it suitable for homes with multiple entrances, gates, floors, or rooms.\nIn addition <strong>one push button<\/strong> can be paired with <strong>multiple chime receivers<\/strong>, providing greater flexibility for larger properties where the doorbell needs to be heard in several locations.<\/p>\n<figure id=\"attachment_21658\" aria-describedby=\"caption-attachment-21658\" style=\"width: 516px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-21658\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/3-59.png\" alt=\"Chu\u00f4ng B\u00e1o Kh\u00e1ch DB818D\" width=\"516\" height=\"489\" srcset=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/3-59.png 900w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/3-59-768x768.png 768w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/3-59-640x640.png 640w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/3-59-400x400.png 400w\" sizes=\"auto, (max-width: 516px) 100vw, 516px\" \/><figcaption id=\"caption-attachment-21658\" class=\"wp-caption-text\">DB818A Visitor Chime<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"3_Ung_dung_thuc_te_cua_chuong_cua_khong_day_DB818A\"><\/span>3. <strong>Practical Applications of the DB818A Wireless Doorbell<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The DB818A is a versatile wireless doorbell suitable for many environments, from residential homes to offices, restaurants, hotels, and other commercial facilities.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"31_Danh_cho_nha_o_can_ho\"><\/span>3.1 <strong>Homes and Apartments<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DB818A l\u00e0 l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho c\u00e1c gia \u0111\u00ecnh mu\u1ed1n n\u00e2ng cao ti\u1ec7n \u00edch v\u00e0 an ninh cho ng\u00f4i nh\u00e0 c\u1ee7a m\u00ecnh. V\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc, ch\u1ed1ng b\u1ee5i v\u00e0 kh\u00f4ng c\u1ea7n thay pin. B\u1ea1n c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t n\u00fat nh\u1ea5n \u1edf c\u1ed5ng, c\u1eeda ra v\u00e0o ho\u1eb7c b\u1ea5t k\u1ef3 v\u1ecb tr\u00ed n\u00e0o m\u00e0 kh\u00f4ng c\u1ea7n lo l\u1eafng v\u1ec1 th\u1eddi ti\u1ebft hay vi\u1ec7c b\u1ea3o tr\u00ec thi\u1ebft b\u1ecb.<\/p>\n<p>Kho\u1ea3ng c\u00e1ch ph\u00e1t s\u00f3ng xa c\u00f9ng v\u1edbi \u00e2m l\u01b0\u1ee3ng c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh gi\u00fap DB818A ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ng\u00f4i nh\u00e0 c\u00f3 di\u1ec7n t\u00edch l\u1edbn, nhi\u1ec1u t\u1ea7ng. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn \u00e2m thanh chu\u00f4ng b\u00e1o ph\u00f9 h\u1ee3p v\u1edbi phong c\u00e1ch c\u1ee7a gia \u0111\u00ecnh, t\u1ea1o c\u1ea3m gi\u00e1c m\u1edbi l\u1ea1 v\u00e0 \u0111\u1ed9c \u0111\u00e1o.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"32_Van_phong_cong_ty\"><\/span>3.2 <strong>Offices and Companies<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u1ea1i c\u00e1c v\u0103n ph\u00f2ng l\u00e0m vi\u1ec7c, chu\u00f4ng c\u1eeda DB818A gi\u00fap t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 giao ti\u1ebfp v\u00e0 an ninh. V\u1edbi kh\u1ea3 n\u0103ng t\u00edch h\u1ee3p nhi\u1ec1u n\u00fat nh\u1ea5n v\u00e0 \u0111\u1ea7u chu\u00f4ng, b\u1ea1n c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb \u1edf nhi\u1ec1u khu v\u1ef1c kh\u00e1c nhau. Nh\u01b0 c\u1ed5ng ch\u00ednh, c\u00e1c ph\u00f2ng h\u1ecdp, ho\u1eb7c khu v\u1ef1c l\u1ec5 t\u00e2n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ecdi kh\u00e1ch h\u00e0ng hay \u0111\u1ed1i t\u00e1c \u0111\u1ec1u \u0111\u01b0\u1ee3c ch\u00e0o \u0111\u00f3n m\u1ed9t c\u00e1ch chuy\u00ean nghi\u1ec7p.<\/p>\n<p>V\u1edbi thi\u1ebft k\u1ebf hi\u1ec7n \u0111\u1ea1i v\u00e0 t\u00ednh n\u0103ng t\u00f9y ch\u1ec9nh linh ho\u1ea1t. Chu\u00f4ng c\u1eeda DB818A c\u00f2n gi\u00fap t\u1ea1o ra m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c th\u00e2n thi\u1ec7n, ti\u1ec7n nghi v\u00e0 hi\u1ec7n \u0111\u1ea1i cho c\u00e1c nh\u00e2n vi\u00ean trong v\u0103n ph\u00f2ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"33_Cua_hang_nha_hang_khach_san\"><\/span>3.3 <strong>Retail Stores, Restaurants, and Hotels<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DB818A l\u00e0 s\u1ea3n ph\u1ea9m l\u00fd t\u01b0\u1edfng cho c\u00e1c c\u1eeda h\u00e0ng, nh\u00e0 h\u00e0ng, kh\u00e1ch s\u1ea1n hay c\u00e1c c\u01a1 s\u1edf kinh doanh d\u1ecbch v\u1ee5. V\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc v\u00e0 ch\u1ed1ng b\u1ee5i. B\u1ea1n c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t n\u00fat nh\u1ea5n \u1edf c\u1eeda ra v\u00e0o m\u00e0 kh\u00f4ng c\u1ea7n lo l\u1eafng v\u1ec1 \u0111\u1ed9 b\u1ec1n c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n<p>Vi\u1ec7c ch\u1ecdn l\u1ef1a \u00e2m b\u00e1o ph\u00f9 h\u1ee3p c\u0169ng gi\u00fap t\u1ea1o \u1ea5n t\u01b0\u1ee3ng t\u1ed1t v\u1edbi kh\u00e1ch h\u00e0ng. Mang l\u1ea1i s\u1ef1 tho\u1ea3i m\u00e1i v\u00e0 chuy\u00ean nghi\u1ec7p trong d\u1ecbch v\u1ee5. \u0110\u1eb7c bi\u1ec7t, kh\u1ea3 n\u0103ng ph\u00e1t s\u00f3ng xa gi\u00fap \u0111\u1ea3m b\u1ea3o m\u1ecdi t\u00edn hi\u1ec7u \u0111\u1ec1u \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i nhanh ch\u00f3ng v\u00e0 r\u00f5 r\u00e0ng. Ngay c\u1ea3 trong nh\u1eefng kh\u00f4ng gian r\u1ed9ng l\u1edbn.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"34_Nha_co_nhieu_tang_nhieu_phong\"><\/span>3.4 <strong>Multi-Story and Multi-Room Homes<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The DB818A is especially suitable for homes with multiple floors or rooms where a single chime receiver may not be sufficient.\nBy pairing one push button with multiple chime receivers, the doorbell notification can be heard in different areas throughout the property.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"TAI_SAO_NEN_CHON_KAWASAN\"><\/span><b>WHY CHOOSE KAWASAN?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A leading Vietnamese brand in the fields of automatic electrical equipment, security, safety, and smart electrical devices since 2007, as well as residential LED lighting and solar lighting since 2012.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">High durability with selected components \u2013 Stable operation even in harsh weather conditions<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Superior warranty policy \u2013 Repair support is available even after the warranty period if the product can still be restored<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kawasan currently has its head office in Ho Chi Minh City, branches in Hanoi and Da Nang, and a production and assembly workshop in District 12, Ho Chi Minh City.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">24\/7 support service and a nationwide dealer network<\/span><\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"CAM_KET_TU_KAWASAKAWASAN\"><\/span><b>KAWASAN COMMITMENT<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Kawasan is committed to providing products <\/span><b>genuine \u2013 durable \u2013 safe<\/b><span style=\"font-weight: 400;\">, fully meeting technical standards and practical usage requirements.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">All products are covered by warranty <\/span><b>free of charge for 24 months<\/b><span style=\"font-weight: 400;\">, <\/span><b>1-for-1 replacement within 30 days<\/b><span style=\"font-weight: 400;\"> if it is a technical defect. In addition, customers are also supported with repair services after the warranty period if the product can still be restored, <\/span><b>free of charge<\/b><span style=\"font-weight: 400;\"> if the cost of replacement components is insignificant.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Customers can purchase products at authorized dealers within<\/span><a href=\"https:\/\/kawasan.vn\/en\/he-thong-phan-phoi\/\"> <b>NATIONWIDE DISTRIBUTION SYSTEM<\/b><\/a><span style=\"font-weight: 400;\"> provinces and cities nationwide, or place orders on the website.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Mua_chinh_hang_tai\"><\/span><b>Buy genuine products at:<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Contact the sales department directly for wholesale, dealer \/ distributor pricing: <\/span><b>0825 411 408 \/ 0911 757234<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Website:<\/span><a href=\"https:\/\/kawasan.vn\/en\/\"><span style=\"font-weight: 400;\"> www.kawasan.vn<\/span><\/a><span style=\"font-weight: 400;\"> (For Kawasan products)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Website:<\/span><a href=\"https:\/\/www.kawaled.com.vn\"><span style=\"font-weight: 400;\"> www.kawaled.com.vn<\/span><\/a><span style=\"font-weight: 400;\"> (For Kawaled products)<\/span><\/li>\n<\/ul>\n<p><strong>Reference Articles and Videos on Applications, Benefits, and User Instructions<\/strong><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Refer to product-related articles:\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Article 1 <a class=\"row-title\" href=\"https:\/\/kawasan.vn\/wp-admin\/post.php?post=27720&amp;action=edit&amp;classic-editor\" aria-label=\"\u201cChu\u00f4ng c\u1eeda kh\u00f4ng d\u00e2y m\u00e0 n\u00fat nh\u1ea5n kh\u00f4ng pin? Xu h\u01b0\u1edbng m\u1edbi hay ch\u1ec9 l\u00e0 chi\u00eau tr\u00f2 c\u00f4ng ngh\u1ec7?\u201d (Ch\u1ec9nh s\u1eeda)\">Chu\u00f4ng c\u1eeda kh\u00f4ng d\u00e2y m\u00e0 n\u00fat nh\u1ea5n kh\u00f4ng pin? Xu h\u01b0\u1edbng m\u1edbi hay ch\u1ec9 l\u00e0 chi\u00eau tr\u00f2 c\u00f4ng ngh\u1ec7?<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>Watch videos introducing the product, its applications, and instructions for use:\n<ul>\n<li>Product introduction video: <a id=\"video-title\" class=\"yt-simple-endpoint style-scope ytd-video-renderer\" title=\"Gi\u1edbi Thi\u1ec7u V\u00e0 H\u01b0\u1edbng D\u1eabn S\u1eed D\u1ee5ng | Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y - Kh\u00f4ng Pin KAWASAN | Model: DB818A\" href=\"https:\/\/www.youtube.com\/watch?v=EVPEvMWMZRo&amp;t=1s&amp;pp=0gcJCckJAYcqIYzv\" aria-label=\"Gi\u1edbi Thi\u1ec7u V\u00e0 H\u01b0\u1edbng D\u1eabn S\u1eed D\u1ee5ng | Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y - Kh\u00f4ng Pin KAWASAN | Model: DB818A 2 ph\u00fat, 1 gi\u00e2y\">Gi\u1edbi Thi\u1ec7u V\u00e0 H\u01b0\u1edbng D\u1eabn S\u1eed D\u1ee5ng | Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y &#8211; Kh\u00f4ng Pin KAWASAN | Model: DB818A<\/a><\/li>\n<li>Video t\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng kh\u00e1c: <a id=\"video-title\" class=\"yt-simple-endpoint style-scope ytd-video-renderer\" title=\"Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y Kh\u00f4ng Pin 38 Ki\u1ec3u Chu\u00f4ng | Chu\u00f4ng C\u1eeda B\u00e1o Kh\u00e1ch KAWASAN | Model DB818A\" href=\"https:\/\/www.youtube.com\/watch?v=Mv2JEOpOXpE\" aria-label=\"Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y Kh\u00f4ng Pin 38 Ki\u1ec3u Chu\u00f4ng | Chu\u00f4ng C\u1eeda B\u00e1o Kh\u00e1ch KAWASAN | Model DB818A 26 gi\u00e2y\">Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y Kh\u00f4ng Pin 38 Ki\u1ec3u Chu\u00f4ng | Chu\u00f4ng C\u1eeda B\u00e1o Kh\u00e1ch KAWASAN | Model DB818A<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Gi\u1edbi thi\u1ec7u s\u1ea3n ph\u1ea9m chu\u00f4ng c\u1eeda kh\u00f4ng d\u00e2y kh\u00f4ng pin DB818A M\u1ed9t trong nh\u1eefng s\u1ea3n ph\u1ea9m ti\u1ec7n \u00edch n\u1ed5i b\u1eadt l\u00e0 chu\u00f4ng c\u1eeda kh\u00f4ng d\u00e2y kh\u00f4ng pin DB818A. M\u1ed9t gi\u1ea3i ph\u00e1p ho\u00e0n h\u1ea3o cho c\u00e1c gia \u0111\u00ecnh, v\u0103n ph\u00f2ng, ho\u1eb7c c\u00e1c c\u01a1 s\u1edf kinh doanh, gi\u00fap n\u00e2ng cao tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u1edbi thi\u1ebft k\u1ebf [&hellip;]<\/p>","protected":false},"featured_media":27609,"comment_status":"open","ping_status":"closed","template":"","meta":{"_yoast_wpseo_focuskw":"Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y Kh\u00f4ng Pin DB818A","_yoast_wpseo_metadesc":"Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y Kh\u00f4ng Pin DB818A. Kh\u00f4ng ph\u1ea3i thay pin th\u01b0\u1eddng xuy\u00ean ti\u1ebft ki\u1ec7m chi ph\u00ed trong su\u1ed1t qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, an to\u00e0n v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng...","_yoast_wpseo_focuskeywords":"","_yoast_wpseo_keyword_synonyms":""},"product_cat":[506,505,504,41],"product_tag":[1220,1223,1219,1227,1222,723,1228,1229,1230,1226,1027,1038,718,1039,1217,1218,719,1221,1232,621,1224,1225,1591],"class_list":["post-20351","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-chuong-bao-khach-khong-day","product_cat-chuong-cua-khong-day","product_cat-phu-kien-tich-hop-them-chuong-cua","product_cat-chuong-cua-chuong-bao-khach","product_tag-chuong-bam-cua","product_tag-chuong-bao-cua-ra-vao","product_tag-chuong-bao-dong-khong-day","product_tag-chuong-bao-khach-cho-cua-hang","product_tag-chuong-bao-khach-kawasan","product_tag-chuong-bao-khach-khong-day","product_tag-chuong-bao-trom","product_tag-chuong-cam-bien-bao-dong","product_tag-chuong-cam-bien-kawasan","product_tag-chuong-cong-ko-day","product_tag-chuong-cua","product_tag-chuong-cua-bao-khach","product_tag-chuong-cua-khong-day","product_tag-chuong-cua-thong-minh","product_tag-chuong-dien-khong-day","product_tag-chuong-goi-phuc-vu-khong-day","product_tag-chuong-khong-day","product_tag-chuong-nha","product_tag-dau-chuong-bao-khach","product_tag-kawasan","product_tag-pin-chuong-cua","product_tag-pin-chuong-cua-khong-day","product_tag-thiet-bi-bao-khach"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.9 (Yoast SEO v24.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y Kh\u00f4ng Pin Model: DB818A - Kawasan<\/title>\n<meta name=\"description\" content=\"Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y Kh\u00f4ng Pin DB818A. Kh\u00f4ng ph\u1ea3i thay pin th\u01b0\u1eddng xuy\u00ean ti\u1ebft ki\u1ec7m chi ph\u00ed trong su\u1ed1t qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, an to\u00e0n v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y Kh\u00f4ng Pin Model: DB818A\" \/>\n<meta property=\"og:description\" content=\"Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y Kh\u00f4ng Pin DB818A. Kh\u00f4ng ph\u1ea3i thay pin th\u01b0\u1eddng xuy\u00ean ti\u1ebft ki\u1ec7m chi ph\u00ed trong su\u1ed1t qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, an to\u00e0n v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/\" \/>\n<meta property=\"og:site_name\" content=\"Kawasan\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-16T06:51:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/1-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"900\" \/>\n\t<meta property=\"og:image:height\" content=\"900\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"11 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/kawasan.vn\/san-pham\/chuong-cua-khong-day-khong-pin-model-db818a\/\",\"url\":\"https:\/\/kawasan.vn\/san-pham\/chuong-cua-khong-day-khong-pin-model-db818a\/\",\"name\":\"Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y Kh\u00f4ng Pin Model: DB818A - Kawasan\",\"isPartOf\":{\"@id\":\"https:\/\/kawasan.vn\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/kawasan.vn\/san-pham\/chuong-cua-khong-day-khong-pin-model-db818a\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/kawasan.vn\/san-pham\/chuong-cua-khong-day-khong-pin-model-db818a\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/1-1.png\",\"datePublished\":\"2024-09-27T07:45:34+00:00\",\"dateModified\":\"2026-09-16T06:51:23+00:00\",\"description\":\"Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y Kh\u00f4ng Pin DB818A. Kh\u00f4ng ph\u1ea3i thay pin th\u01b0\u1eddng xuy\u00ean ti\u1ebft ki\u1ec7m chi ph\u00ed trong su\u1ed1t qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, an to\u00e0n v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng...\",\"breadcrumb\":{\"@id\":\"https:\/\/kawasan.vn\/san-pham\/chuong-cua-khong-day-khong-pin-model-db818a\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/kawasan.vn\/san-pham\/chuong-cua-khong-day-khong-pin-model-db818a\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/kawasan.vn\/san-pham\/chuong-cua-khong-day-khong-pin-model-db818a\/#primaryimage\",\"url\":\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/1-1.png\",\"contentUrl\":\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/1-1.png\",\"width\":900,\"height\":900},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/kawasan.vn\/san-pham\/chuong-cua-khong-day-khong-pin-model-db818a\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Trang ch\u1ee7\",\"item\":\"https:\/\/kawasan.vn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"S\u1ea3n ph\u1ea9m\",\"item\":\"https:\/\/kawasan.vn\/san-pham\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y Kh\u00f4ng Pin Model: DB818A\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/kawasan.vn\/#website\",\"url\":\"https:\/\/kawasan.vn\/\",\"name\":\"Kawasan\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/kawasan.vn\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y Kh\u00f4ng Pin Model: DB818A - Kawasan","description":"Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y Kh\u00f4ng Pin DB818A. Kh\u00f4ng ph\u1ea3i thay pin th\u01b0\u1eddng xuy\u00ean ti\u1ebft ki\u1ec7m chi ph\u00ed trong su\u1ed1t qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, an to\u00e0n v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng...","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/","og_locale":"en_US","og_type":"article","og_title":"Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y Kh\u00f4ng Pin Model: DB818A","og_description":"Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y Kh\u00f4ng Pin DB818A. Kh\u00f4ng ph\u1ea3i thay pin th\u01b0\u1eddng xuy\u00ean ti\u1ebft ki\u1ec7m chi ph\u00ed trong su\u1ed1t qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, an to\u00e0n v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng...","og_url":"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-khong-pin-model-db818a\/","og_site_name":"Kawasan","article_modified_time":"2026-09-16T06:51:23+00:00","og_image":[{"width":900,"height":900,"url":"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/1-1.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"11 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/kawasan.vn\/san-pham\/chuong-cua-khong-day-khong-pin-model-db818a\/","url":"https:\/\/kawasan.vn\/san-pham\/chuong-cua-khong-day-khong-pin-model-db818a\/","name":"Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y Kh\u00f4ng Pin Model: DB818A - Kawasan","isPartOf":{"@id":"https:\/\/kawasan.vn\/#website"},"primaryImageOfPage":{"@id":"https:\/\/kawasan.vn\/san-pham\/chuong-cua-khong-day-khong-pin-model-db818a\/#primaryimage"},"image":{"@id":"https:\/\/kawasan.vn\/san-pham\/chuong-cua-khong-day-khong-pin-model-db818a\/#primaryimage"},"thumbnailUrl":"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/1-1.png","datePublished":"2024-09-27T07:45:34+00:00","dateModified":"2026-09-16T06:51:23+00:00","description":"Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y Kh\u00f4ng Pin DB818A. Kh\u00f4ng ph\u1ea3i thay pin th\u01b0\u1eddng xuy\u00ean ti\u1ebft ki\u1ec7m chi ph\u00ed trong su\u1ed1t qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, an to\u00e0n v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng...","breadcrumb":{"@id":"https:\/\/kawasan.vn\/san-pham\/chuong-cua-khong-day-khong-pin-model-db818a\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/kawasan.vn\/san-pham\/chuong-cua-khong-day-khong-pin-model-db818a\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/kawasan.vn\/san-pham\/chuong-cua-khong-day-khong-pin-model-db818a\/#primaryimage","url":"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/1-1.png","contentUrl":"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/1-1.png","width":900,"height":900},{"@type":"BreadcrumbList","@id":"https:\/\/kawasan.vn\/san-pham\/chuong-cua-khong-day-khong-pin-model-db818a\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Trang ch\u1ee7","item":"https:\/\/kawasan.vn\/"},{"@type":"ListItem","position":2,"name":"S\u1ea3n ph\u1ea9m","item":"https:\/\/kawasan.vn\/san-pham\/"},{"@type":"ListItem","position":3,"name":"Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y Kh\u00f4ng Pin Model: DB818A"}]},{"@type":"WebSite","@id":"https:\/\/kawasan.vn\/#website","url":"https:\/\/kawasan.vn\/","name":"Kawasan","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/kawasan.vn\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/kawasan.vn\/en\/wp-json\/wp\/v2\/product\/20351","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kawasan.vn\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/kawasan.vn\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/kawasan.vn\/en\/wp-json\/wp\/v2\/comments?post=20351"}],"version-history":[{"count":11,"href":"https:\/\/kawasan.vn\/en\/wp-json\/wp\/v2\/product\/20351\/revisions"}],"predecessor-version":[{"id":34856,"href":"https:\/\/kawasan.vn\/en\/wp-json\/wp\/v2\/product\/20351\/revisions\/34856"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kawasan.vn\/en\/wp-json\/wp\/v2\/media\/27609"}],"wp:attachment":[{"href":"https:\/\/kawasan.vn\/en\/wp-json\/wp\/v2\/media?parent=20351"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/kawasan.vn\/en\/wp-json\/wp\/v2\/product_cat?post=20351"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/kawasan.vn\/en\/wp-json\/wp\/v2\/product_tag?post=20351"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}