{"id":6360,"date":"2023-11-01T05:34:24","date_gmt":"2023-11-01T05:34:24","guid":{"rendered":"https:\/\/kawasan.123websitedev.com\/product\/chuong-cua-khong-day-db669\/"},"modified":"2026-09-29T10:52:45","modified_gmt":"2026-09-29T03:52:45","slug":"chuong-cua-khong-day-db669","status":"publish","type":"product","link":"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-db669\/","title":{"rendered":"DB669S WIRELESS DOORBELL"},"content":{"rendered":"<h2><span class=\"ez-toc-section\" id=\"CHUONG_CUA_KHONG_DAY_LA_GI\"><\/span>WHAT IS A WIRELESS DOORBELL?<span class=\"ez-toc-section-end\"><\/span><\/h2><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-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-db669\/#CHUONG_CUA_KHONG_DAY_LA_GI\" title=\"WHAT IS A WIRELESS DOORBELL?\">WHAT IS A WIRELESS DOORBELL?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-db669\/#MAU_CHUONG_CUA_KHONG_DAY_DB669S_BAN_CHAY_NHAT_HIEN_NAY\" title=\"DB669S \u2013 ONE OF THE BEST-SELLING WIRELESS DOORBELL MODELS TODAY\">DB669S \u2013 ONE OF THE BEST-SELLING WIRELESS DOORBELL MODELS TODAY<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-db669\/#THIET_KE_DOT_PHA_TINH_NANG_TICH_HOP_CAO_VA_THEM_DUOC_REMOTE_DIEU_KHIEN_TU_XA\" title=\"ADVANCED DESIGN WITH HIGH EXPANDABILITY AND REMOTE CONTROL SUPPORT\">ADVANCED DESIGN WITH HIGH EXPANDABILITY AND REMOTE CONTROL SUPPORT<\/a><\/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-db669\/#SU_KHAC_BIET_CUA_CHUONG_CUA_KHONG_DAY_KAWASAN_SO_VOI_NHUNG_SAN_PHAM_CUNG_LOAI_TREN_THI_TRUONG\" title=\"DIFFERENCES BETWEEN KAWASAN WIRELESS DOORBELLS AND SIMILAR PRODUCTS ON THE MARKET\">DIFFERENCES BETWEEN KAWASAN WIRELESS DOORBELLS AND SIMILAR PRODUCTS ON THE MARKET<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-db669\/#UNG_DUNG_CHUONG_DIEN_KHONG_DAY_DB669S\" title=\"APPLICATIONS OF THE DB669S WIRELESS ELECTRIC DOORBELL\">APPLICATIONS OF THE DB669S WIRELESS ELECTRIC DOORBELL<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-db669\/#LOI_ICH_CUA_CHUONG_CUA_KHONG_DAY_CHONG_NUOC\" title=\"BENEFITS OF A WATER-RESISTANT WIRELESS DOORBELL\">BENEFITS OF A WATER-RESISTANT WIRELESS DOORBELL<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-db669\/#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-8\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-db669\/#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-9\" href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-db669\/#Mua_chinh_hang_tai\" title=\"Buy genuine products at:\">Buy genuine products at:<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p>Chu\u00f4ng c\u1eeda kh\u00f4ng d\u00e2y\u00a0l\u00e0 thi\u1ebft b\u1ecb b\u00e1o hi\u1ec7u c\u00f3 kh\u00e1ch ho\u1eb7c c\u00f3 ng\u01b0\u1eddi \u1edf ngo\u00e0i c\u1ea7n v\u00e0o nh\u00e0. Ng\u00e0y nay nh\u00e0 \u1edf \u0111\u01b0\u1ee3c x\u00e2y t\u1ea7ng nhi\u1ec1u v\u00e0 k\u00edn n\u00ean kh\u00f3 c\u00f3 th\u1ec3 k\u00eau b\u1eb1ng mi\u1ec7ng ho\u1eb7c d\u00f9ng chu\u00f4ng c\u1eeda c\u00f3 d\u00e2y. L\u00fac n\u00e0y, s\u1ebd b\u1ecb h\u1ea1n ch\u1ebf n\u1ebfu ng\u01b0\u1eddi trong nh\u00e0 \u1edf g\u1ea7n c\u1ed5ng th\u00ec c\u00f3 th\u1ec3 nghe nh\u01b0ng n\u1ebfu \u1edf t\u1ea7ng cao th\u00ec kh\u00f3 nghe \u0111\u01b0\u1ee3c.<\/p>\n<p>V\u00ec th\u1ebf\u2026.<\/p>\n<p>Chu\u00f4ng b\u1ea5m c\u1eeda kh\u00f4ng d\u00e2y ra \u0111\u1eddi v\u00e0 ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn v\u00e0 \u01b0a chu\u1ed9ng. B\u1edfi t\u00ednh ti\u1ec7n l\u1ee3i kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111i d\u00e2y r\u01b0\u1eddm r\u00e0. Thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn d\u1ec5 di chuy\u1ec3n l\u1eafp \u0111\u1eb7t v\u00e0 \u0111a d\u1ea1ng m\u1eabu m\u00e3.<\/p>\n<div id=\"attachment_5804\" class=\"wp-caption aligncenter\">\n<figure id=\"attachment_16638\" aria-describedby=\"caption-attachment-16638\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16638\" title=\"DB669 Wireless Doorbell\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/chuong-cua-khong-day-DB669-1.jpg\" alt=\"Chu\u00f4ng b\u1ea5m c\u1eeda kh\u00f4ng d\u00e2y DB669\" width=\"600\" height=\"420\" \/><figcaption id=\"caption-attachment-16638\" class=\"wp-caption-text\">DB669S Wireless Doorbell<\/figcaption><\/figure>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"MAU_CHUONG_CUA_KHONG_DAY_DB669S_BAN_CHAY_NHAT_HIEN_NAY\"><\/span>DB669S \u2013 ONE OF THE BEST-SELLING WIRELESS DOORBELL MODELS TODAY<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li aria-level=\"1\">The DB669S wireless doorbell uses radio frequency signals to transmit information between the chime receiver and the push button. The operating range is approximately 20\u201370 m, using a 433MHz RF frequency that can transmit effectively through common obstacles. It is a convenient replacement for traditional wired doorbells, which may require exposed wiring and affect the appearance of the installation area.<\/li>\n<\/ul>\n<div id=\"attachment_5805\" class=\"wp-caption aligncenter\">\n<figure id=\"attachment_16639\" aria-describedby=\"caption-attachment-16639\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16639\" title=\"The wireless signal can pass through common obstacles effectively.\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/10\/2-16.png\" alt=\"T\u00edn hi\u1ec7u truy\u1ec1n c\u00f3 th\u1ec3 xuy\u00ean v\u1eadt c\u1ea3n t\u1ed1t\" width=\"600\" height=\"445\" srcset=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/10\/2-16.png 900w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/10\/2-16-768x768.png 768w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/10\/2-16-640x640.png 640w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-16639\" class=\"wp-caption-text\">The wireless signal can pass through common obstacles effectively.<\/figcaption><\/figure>\n<\/div>\n<ul>\n<li aria-level=\"1\">The chime receiver provides up to 38 chime melodies and 4 adjustable volume levels. The DB669S offers good protection against water and dust with an IP44 protection rating. The push button uses a replaceable 12V battery with a service life of approximately 6 months.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-31498\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/10\/3-7.png\" alt=\"\" width=\"617\" height=\"617\" \/><\/p>\n<div id=\"attachment_5807\" class=\"wp-caption aligncenter\"><\/div>\n<h2><span class=\"ez-toc-section\" id=\"THIET_KE_DOT_PHA_TINH_NANG_TICH_HOP_CAO_VA_THEM_DUOC_REMOTE_DIEU_KHIEN_TU_XA\"><\/span>ADVANCED DESIGN WITH HIGH EXPANDABILITY AND REMOTE CONTROL SUPPORT<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li aria-level=\"1\">The Kawasan wireless doorbell can be paired with multiple push buttons for different entrances. One chime receiver supports up to 6 push buttons, while one push button can be paired with multiple chime receivers.<\/li>\n<li aria-level=\"1\">It can also be integrated with the D28B PIR sensor and M4 magnetic door sensor for use as a visitor chime and alarm system. These two functions can be combined within one system, helping reduce equipment costs and improve convenience.<\/li>\n<\/ul>\n<div id=\"attachment_4302\" class=\"wp-caption aligncenter\">\n<figure id=\"attachment_16647\" aria-describedby=\"caption-attachment-16647\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16647\" title=\"Highly expandable and compatible with the RM1A remote control.\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/10\/4-4.png\" alt=\"Kh\u1ea3 n\u0103ng t\u00edch h\u1ee3p cao c\u00f3 th\u1ec3 t\u00edch h\u1ee3p remote RM1A \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa\" width=\"1000\" height=\"388\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-16647\" class=\"wp-caption-text\">Highly expandable and compatible with the RM1A remote control.<\/figcaption><\/figure>\n<\/div>\n<ul>\n<li aria-level=\"1\">The DB669S wireless doorbell can also be integrated with the RM1A remote control to turn the chime on or off remotely. The remote can also be used for service calls or emergency assistance calls in hospitals, stores, and similar locations.<\/li>\n<\/ul>\n<p>&gt;&gt;&gt; See more:\u00a0<a href=\"https:\/\/kawasan.vn\/en\/product\/chuong-cua-khong-day-dieu-khien-tu-xa-db669-1rm1a\/\" target=\"_blank\" rel=\"noopener\"><i>Remote-Controlled Wireless Doorbell<\/i><\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"SU_KHAC_BIET_CUA_CHUONG_CUA_KHONG_DAY_KAWASAN_SO_VOI_NHUNG_SAN_PHAM_CUNG_LOAI_TREN_THI_TRUONG\"><\/span>DIFFERENCES BETWEEN KAWASAN WIRELESS DOORBELLS AND SIMILAR PRODUCTS ON THE MARKET<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li aria-level=\"1\">KAWASAN is a leading and reputable brand in the field of doorbells and visitor chimes. Its quality products come with a 2-year warranty, and product durability is guaranteed for more than 5 years. Customers are also supported by a professional sales consulting team and timely technical assistance. Looking for a reliable wireless doorbell? Choose a KAWASAN wireless doorbell.<\/li>\n<li aria-level=\"1\">The wireless transmission range has been improved to approximately 20\u201370m. Sensitive RF technology helps maintain stable signal transmission between the push button and the chime receiver through common obstacles.<\/li>\n<li aria-level=\"1\">The system offers flexible expansion for larger or multi-story homes. One Kawasan chime receiver can be paired with up to 6 push buttons, while one push button can be connected to multiple chime receivers. This helps reduce the need to purchase multiple complete doorbell sets for different areas.<\/li>\n<li aria-level=\"1\">In particular, the DB669S can be integrated with a remote control for remote operation. It can also function as a visitor chime when paired with the M4 magnetic door sensor and D28B PIR sensor.<\/li>\n<li aria-level=\"1\">Product specifications are clearly printed on the packaging for easy reference and operation. Long product service life helps reduce replacement costs over time.<\/li>\n<\/ul>\n<div id=\"attachment_635\" class=\"wp-caption aligncenter\"><\/div>\n<h2><span class=\"ez-toc-section\" id=\"UNG_DUNG_CHUONG_DIEN_KHONG_DAY_DB669S\"><\/span>APPLICATIONS OF THE DB669S WIRELESS ELECTRIC DOORBELL<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li aria-level=\"1\">Used as a doorbell<\/li>\n<\/ul>\n<div id=\"attachment_4301\" class=\"wp-caption aligncenter\">\n<figure id=\"attachment_16646\" aria-describedby=\"caption-attachment-16646\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16646\" title=\"The DB669 wireless doorbell is suitable for multi-story houses.\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/huong-db669-3.jpg\" alt=\"Chu\u00f4ng kh\u00f4ng d\u00e2y DB669 th\u00edch h\u1ee3p l\u1eafp \u1edf c\u00e1c nh\u00e0 cao t\u1ea7ng\" width=\"1000\" height=\"438\" srcset=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/huong-db669-3-768x336.jpg 768w, https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/huong-db669-3-640x280.jpg 640w, https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/huong-db669-3-400x175.jpg 400w, https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/huong-db669-3-1000x438.jpg 1000w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-16646\" class=\"wp-caption-text\">The DB669S wireless doorbell is suitable for installation in multi-storey houses.<\/figcaption><\/figure>\n<\/div>\n<ul>\n<li aria-level=\"1\">Used as an emergency alarm call button<\/li>\n<li aria-level=\"1\">Used as an assistance call system for elderly users<\/li>\n<\/ul>\n<div id=\"attachment_5809\" class=\"wp-caption aligncenter\">\n<figure id=\"attachment_16642\" aria-describedby=\"caption-attachment-16642\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16642 size-full\" title=\"Patients only need to press the button so that nurses or doctors can respond promptly.\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/10\/1-12.png\" alt=\"Ng\u01b0\u1eddi b\u1ec7nh ch\u1ec9 c\u1ea7n nh\u1ea5n chu\u00f4ng s\u1ebd c\u00f3 y t\u00e1 v\u00e0 b\u00e1c s\u0129 k\u1ecbp th\u1eddi \u0111\u1ebfn h\u1ed7 tr\u1ee3\" width=\"600\" height=\"455\" srcset=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/10\/1-12.png 900w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/10\/1-12-768x768.png 768w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/10\/1-12-640x640.png 640w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/10\/1-12-400x400.png 400w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-16642\" class=\"wp-caption-text\">Patients only need to press the button so that nurses or doctors can respond promptly.<\/figcaption><\/figure>\n<\/div>\n<ul>\n<li aria-level=\"1\">Used as a visitor chime or <a href=\"https:\/\/kawasan.com.vn\/san-pham.html\/chuong-cua-chuong-bao-khach\/chuong-bao-khach-khong-day.html\" target=\"_blank\" rel=\"noopener\">service call<\/a> system<\/li>\n<\/ul>\n<div id=\"attachment_5813\" class=\"wp-caption aligncenter\">\n<figure id=\"attachment_16645\" aria-describedby=\"caption-attachment-16645\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16645\" title=\"Suitable for calling service staff in restaurants.\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/10\/5-4.png\" alt=\"L\u00e0m chu\u00f4ng b\u00e1o g\u1ecdi nh\u00e2n vi\u00ean ph\u1ee5c v\u1ee5 t\u1ea1i c\u00e1c nh\u00e0 h\u00e0ng\" width=\"600\" height=\"431\" \/><figcaption id=\"caption-attachment-16645\" class=\"wp-caption-text\">Suitable for calling service staff in restaurants.<\/figcaption><\/figure>\n<\/div>\n<ul>\n<li aria-level=\"1\">Used as an internal call chime in homes, offices, hotels, and similar facilities<\/li>\n<\/ul>\n<div id=\"attachment_5808\" class=\"wp-caption aligncenter\">\n<figure id=\"attachment_16641\" aria-describedby=\"caption-attachment-16641\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16641 size-full\" title=\"Convenient for multi-story buildings without the need to call people on each floor manually.\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/chuong-cua-khong-day-DB669-4-2.png\" alt=\"L\u00e0m chu\u00f4ng b\u00e1o trong nh\u00e0 nhi\u1ec1u t\u1ea7ng ti\u1ec7n l\u1ee3i kh\u00f4ng c\u1ea7n l\u00ean t\u1eebng t\u1ea7ng k\u00eau g\u1ecdi\" width=\"600\" height=\"662\" srcset=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/chuong-cua-khong-day-DB669-4-2.png 600w, https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/chuong-cua-khong-day-DB669-4-2-400x441.png 400w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-16641\" class=\"wp-caption-text\">Convenient for multi-story buildings without the need to call people on each floor manually.<\/figcaption><\/figure>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"LOI_ICH_CUA_CHUONG_CUA_KHONG_DAY_CHONG_NUOC\"><\/span>BENEFITS OF A WATER-RESISTANT WIRELESS DOORBELL<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li aria-level=\"1\">Flexibility: The chime receiver can be easily relocated and installed in different areas of the house, such as living rooms, stairways, corridors, or different floors. The push button can be mounted on a door, wall, gate, or entrance.<\/li>\n<li aria-level=\"1\">Improved aesthetics: No signal wiring is required between the doorbell push button and the chime receiver, helping reduce installation work and maintain a cleaner appearance.<\/li>\n<li aria-level=\"1\">No major renovation required: For homes with stone or granite facades, drilling may be difficult or undesirable because it can damage the surface. A wireless push button is a practical solution because it does not require concealed electrical wiring.<\/li>\n<li aria-level=\"1\">C\u01a1 \u0111\u1ed9ng, ti\u1ec7n l\u1ee3i thay th\u1ebf Pin: n\u00fat nh\u1ea5n chu\u00f4ng kh\u00f4ng d\u00e2y d\u00f9ng pin, ch\u1ec9 c\u1ea7n thay pin sau 6 th\u00e1ng s\u1eed d\u1ee5ng. Tu\u1ed5i th\u1ecd pin cao, d\u1ec5 d\u00e0ng thay th\u1ebf v\u00e0 s\u1eed d\u1ee5ng. \u0110\u1ed1i v\u1edbi \u0111\u1ea7u ph\u00e1t chu\u00f4ng c\u00f3 th\u1ec3 c\u1eafm tr\u1ef1c ti\u1ebfp v\u00e0o \u1ed5 \u0111i\u1ec7n 220V.<\/li>\n<li aria-level=\"1\">Expandable system: In large or multi-story homes, a single chime receiver may not be audible everywhere. KAWASAN wireless doorbell push buttons and chime receivers can be expanded and paired with additional units as needed.<\/li>\n<\/ul>\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>Refer to product-related articles:\n<ul>\n<li>Article 1 <a class=\"row-title\" href=\"https:\/\/kawasan.vn\/wp-admin\/post.php?post=26085&amp;action=edit&amp;classic-editor\" aria-label=\"\u201cB\u00f9ng n\u1ed5 xu h\u01b0\u1edbng d\u00f9ng chu\u00f4ng c\u1eeda kh\u00f4ng d\u00e2y t\u1ea1i \u0111\u00f4 th\u1ecb: An to\u00e0n \u2013 Ti\u1ec7n l\u1ee3i \u2013 D\u1ec5 l\u1eafp \u0111\u1eb7t\u201d (Ch\u1ec9nh s\u1eeda)\">B\u00f9ng n\u1ed5 xu h\u01b0\u1edbng d\u00f9ng chu\u00f4ng c\u1eeda kh\u00f4ng d\u00e2y t\u1ea1i \u0111\u00f4 th\u1ecb: An to\u00e0n \u2013 Ti\u1ec7n l\u1ee3i \u2013 D\u1ec5 l\u1eafp \u0111\u1eb7t<\/a><\/li>\n<li>B\u00e0i vi\u1ebft 2: <a class=\"row-title\" href=\"https:\/\/kawasan.vn\/wp-admin\/post.php?post=25977&amp;action=edit&amp;classic-editor\" aria-label=\"\u201cChu\u00f4ng c\u1eeda kh\u00f4ng d\u00e2y: Gi\u1ea3i ph\u00e1p ti\u1ec7n l\u1ee3i, linh ho\u1ea1t cho m\u1ecdi kh\u00f4ng gian s\u1ed1ng hi\u1ec7n \u0111\u1ea1i\u00a0\u00a0\u201d (Ch\u1ec9nh s\u1eeda)\">Chu\u00f4ng c\u1eeda kh\u00f4ng d\u00e2y: Gi\u1ea3i ph\u00e1p ti\u1ec7n l\u1ee3i, linh ho\u1ea1t cho m\u1ecdi kh\u00f4ng gian s\u1ed1ng hi\u1ec7n \u0111\u1ea1i<\/a><\/li>\n<\/ul>\n<\/li>\n<li>Watch videos introducing the product, its applications, and instructions for use:\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Product introduction video: <a id=\"video-title\" class=\"yt-simple-endpoint style-scope ytd-video-renderer\" title=\"CHU\u00d4NG \u0110A N\u0102NG-SI\u00caU TI\u1ec6N L\u1ee2I - DB669 - KAWASAN\" href=\"https:\/\/www.youtube.com\/watch?v=hMXr9gSpAg4\" aria-label=\"CHU\u00d4NG \u0110A N\u0102NG-SI\u00caU TI\u1ec6N L\u1ee2I - DB669 - KAWASAN 2 ph\u00fat, 56 gi\u00e2y\">CHU\u00d4NG \u0110A N\u0102NG-SI\u00caU TI\u1ec6N L\u1ee2I &#8211; DB669 &#8211; KAWASAN<\/a><\/li>\n<li>Video h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng: <a id=\"video-title\" class=\"yt-simple-endpoint style-scope ytd-video-renderer\" title=\"REVIEW V\u00e0 H\u01b0\u1edbng D\u1eabn S\u1eed D\u1ee5ng | Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y \u0110i\u1ec1u Khi\u1ec3n T\u1eeb Xa KAWASAN | Model: DB669\" href=\"https:\/\/www.youtube.com\/watch?v=s3A0XjCPsWk\" aria-label=\"REVIEW V\u00e0 H\u01b0\u1edbng D\u1eabn S\u1eed D\u1ee5ng | Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y \u0110i\u1ec1u Khi\u1ec3n T\u1eeb Xa KAWASAN | Model: DB669 50 gi\u00e2y\">REVIEW V\u00e0 H\u01b0\u1edbng D\u1eabn S\u1eed D\u1ee5ng | Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y \u0110i\u1ec1u Khi\u1ec3n T\u1eeb Xa KAWASAN | Model: DB669<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Nh\u00e0 s\u1ea3n xu\u1ea5t: KawasanM\u00e3 s\u1ea3n ph\u1ea9m: DB669T\u00ecnh tr\u1ea1ng:C\u00f2n h\u00e0ng<\/p>","protected":false},"featured_media":16638,"comment_status":"open","ping_status":"closed","template":"","meta":{"_yoast_wpseo_focuskw":"Chu\u00f4ng C\u1eeda Kh\u00f4ng D\u00e2y","_yoast_wpseo_metadesc":"Chu\u00f4ng c\u1eeda kh\u00f4ng d\u00e2y DB669 d\u00f9ng s\u00f3ng RF433Mhz. 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