{"id":20209,"date":"2024-09-17T20:01:11","date_gmt":"2024-09-17T13:01:11","guid":{"rendered":"https:\/\/kawasan.vn\/?post_type=product&#038;p=20209"},"modified":"2026-09-16T16:55:41","modified_gmt":"2026-09-16T09:55:41","slug":"cam-ung-bao-khach-khong-day-model-i287d","status":"publish","type":"product","link":"https:\/\/kawasan.vn\/en\/product\/cam-ung-bao-khach-khong-day-model-i287d\/","title":{"rendered":"I287D Wireless Visitor Chime and Alarm (Vietnamese Voice)"},"content":{"rendered":"<h1><span class=\"ez-toc-section\" id=\"Cam_Ung_Bao_Khach_Khong_Day_Giai_Phap_Hieu_Qua_Cho_Doanh_Nghiep_va_Gia_Dinh\"><\/span>Wireless Visitor Chime: An Effective Solution for Businesses and Homes<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\/cam-ung-bao-khach-khong-day-model-i287d\/#Cam_Ung_Bao_Khach_Khong_Day_Giai_Phap_Hieu_Qua_Cho_Doanh_Nghiep_va_Gia_Dinh\" title=\"Wireless Visitor Chime: An Effective Solution for Businesses and Homes\">Wireless Visitor Chime: An Effective Solution for Businesses and Homes<\/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\/cam-ung-bao-khach-khong-day-model-i287d\/#1_Gioi_thieu_ve_cam_ung_bao_khach_khong_day\" title=\"1. Introduction to the Wireless Visitor Chime\">1. Introduction to the Wireless Visitor Chime<\/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\/cam-ung-bao-khach-khong-day-model-i287d\/#Cong_nghe_cam_ung_hong_ngoai\" title=\"Infrared Sensor Technology\">Infrared Sensor Technology<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/kawasan.vn\/en\/product\/cam-ung-bao-khach-khong-day-model-i287d\/#Ket_noi_khong_day_qua_song_radio\" title=\"Wireless Radio Connection\">Wireless Radio Connection<\/a><\/li><\/ul><\/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\/cam-ung-bao-khach-khong-day-model-i287d\/#2_Ung_dung_cua_cam_ung_bao_khach_khong_day\" title=\"2. Applications of the Wireless Visitor Chime\">2. Applications of the Wireless Visitor Chime<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/kawasan.vn\/en\/product\/cam-ung-bao-khach-khong-day-model-i287d\/#21_Su_dung_trong_cua_hang_van_phong_va_phong_kham\" title=\"2.1. Use in Stores, Offices and Clinics\">2.1. Use in Stores, Offices and Clinics<\/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\/cam-ung-bao-khach-khong-day-model-i287d\/#22_Bao_ve_an_ninh_tai_gia_dinh_va_cua_hang\" title=\"2.2. Security for Homes and Stores\">2.2. Security for Homes and Stores<\/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\/cam-ung-bao-khach-khong-day-model-i287d\/#23_Giam_sat_camera_an_ninh\" title=\"2.3. Monitoring Areas with Security Cameras\">2.3. Monitoring Areas with Security Cameras<\/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\/cam-ung-bao-khach-khong-day-model-i287d\/#24_Ung_dung_linh_hoat_cho_nhieu_cua\" title=\"2.4. Flexible Use at Multiple Entrances\">2.4. Flexible Use at Multiple Entrances<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/kawasan.vn\/en\/product\/cam-ung-bao-khach-khong-day-model-i287d\/#3_Loi_ich_cua_cam_ung_bao_khach_khong_day\" title=\"3. Benefits of the Wireless Visitor Chime\">3. Benefits of the Wireless Visitor Chime<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/kawasan.vn\/en\/product\/cam-ung-bao-khach-khong-day-model-i287d\/#31_Tang_cuong_an_ninh_va_bao_ve_tai_san\" title=\"3.1. Improved Security and Property Protection\">3.1. Improved Security and Property Protection<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/kawasan.vn\/en\/product\/cam-ung-bao-khach-khong-day-model-i287d\/#32_Tiet_kiem_chi_phi_lap_dat_va_bao_tri\" title=\"3.2. Lower Installation and Maintenance Costs\">3.2. Lower Installation and Maintenance Costs<\/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\/cam-ung-bao-khach-khong-day-model-i287d\/#33_Linh_hoat_trong_viec_su_dung\" title=\"3.3. Flexible Use\">3.3. Flexible Use<\/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\/cam-ung-bao-khach-khong-day-model-i287d\/#34_Tang_cuong_trai_nghiem_khach_hang\" title=\"3.4. Better Customer Experience\">3.4. Better Customer Experience<\/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\/cam-ung-bao-khach-khong-day-model-i287d\/#35_De_dang_tich_hop_voi_cac_thiet_bi_khac\" title=\"3.5. Easy Integration with Other Devices\">3.5. Easy Integration with Other Devices<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/kawasan.vn\/en\/product\/cam-ung-bao-khach-khong-day-model-i287d\/#4_Huong_dan_lap_dat_va_su_dung_cam_ung_bao_khach_khong_day\" title=\"4. Installation and Use of the Wireless Visitor Chime\">4. Installation and Use of the Wireless Visitor Chime<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/kawasan.vn\/en\/product\/cam-ung-bao-khach-khong-day-model-i287d\/#5_Ket_luan\" title=\"5. Conclusion\">5. Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/kawasan.vn\/en\/product\/cam-ung-bao-khach-khong-day-model-i287d\/#TAI_SAO_NEN_CHON_KAWASAN\" title=\"WHY CHOOSE KAWASAN?\">WHY CHOOSE KAWASAN?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/kawasan.vn\/en\/product\/cam-ung-bao-khach-khong-day-model-i287d\/#Cam_ket_tu_Kawasan\" title=\"Kawasan Commitment\">Kawasan Commitment<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p>Wireless visitor detection technology has become a smart, convenient solution for many modern homes and businesses. This product helps welcome visitors while improving security and protecting property from unauthorized intruders. Let\u2019s take a closer look at the <strong>wireless visitor chime<\/strong>, how it works, its practical applications and the benefits it offers.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-20211 size-large\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/1-52.png\" alt=\"\" width=\"801\" height=\"1024\" srcset=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/1-52.png 900w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/1-52-768x768.png 768w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/1-52-640x640.png 640w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/1-52-400x400.png 400w\" sizes=\"auto, (max-width: 801px) 100vw, 801px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"1_Gioi_thieu_ve_cam_ung_bao_khach_khong_day\"><\/span>1. Introduction to the Wireless Visitor Chime<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A wireless visitor chime is a modern device that uses <strong>infrared sensor<\/strong> and <strong>wireless connectivity<\/strong> \u0111\u1ec3 ph\u00e1t hi\u1ec7n chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a ng\u01b0\u1eddi trong khu v\u1ef1c gi\u00e1m s\u00e1t. Khi c\u00f3 ng\u01b0\u1eddi di chuy\u1ec3n qua khu v\u1ef1c \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t, c\u1ea3m bi\u1ebfn s\u1ebd g\u1eedi t\u00edn hi\u1ec7u t\u1edbi chu\u00f4ng b\u00e1o, gi\u00fap ng\u01b0\u1eddi d\u00f9ng nh\u1eadn bi\u1ebft s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a kh\u00e1ch ho\u1eb7c c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u01b0\u1eddi d\u00f9ng nhanh ch\u00f3ng ph\u1ea3n h\u1ed3i v\u00e0 c\u00f3 h\u00e0nh \u0111\u1ed9ng k\u1ecbp th\u1eddi.<\/p>\n<p>S\u1ea3n ph\u1ea9m n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch t\u1ea1i c\u00e1c c\u1eeda h\u00e0ng, v\u0103n ph\u00f2ng, b\u1ec7nh vi\u1ec7n, v\u00e0 c\u00e1c h\u1ed9 gia \u0111\u00ecnh c\u00f3 nhu c\u1ea7u t\u0103ng c\u01b0\u1eddng b\u1ea3o v\u1ec7 v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n. C\u1ea3m bi\u1ebfn h\u1ed3ng ngo\u1ea1i c\u1ee7a thi\u1ebft b\u1ecb c\u00f3 kh\u1ea3 n\u0103ng nh\u1eadn di\u1ec7n chuy\u1ec3n \u0111\u1ed9ng v\u1edbi \u0111\u1ed9 nh\u1ea1y cao. Ho\u1ea1t \u0111\u1ed9ng trong nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n \u00e1nh s\u00e1ng kh\u00e1c nhau.<\/p>\n<figure id=\"attachment_21585\" aria-describedby=\"caption-attachment-21585\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-21585 size-large\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/I287D-1-1-1024x782.jpg\" alt=\"B\u00e1o Kh\u00e1ch I287D\" width=\"1024\" height=\"782\" srcset=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/I287D-1-1-1024x782.jpg 1024w, https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/I287D-1-1-768x586.jpg 768w, https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/I287D-1-1-640x489.jpg 640w, https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/I287D-1-1-400x305.jpg 400w, https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/I287D-1-1-1000x763.jpg 1000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-21585\" class=\"wp-caption-text\">I287D Visitor Chime<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Cong_nghe_cam_ung_hong_ngoai\"><\/span>Infrared Sensor Technology<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The infrared sensor uses infrared radiation to detect changes in temperature and movement within the monitored area. When a person or animal passes through, the sensor detects the change and activates the chime. This technology provides accurate motion detection over a wide area and is unaffected by environmental factors such as light or weather.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ket_noi_khong_day_qua_song_radio\"><\/span>Wireless Radio Connection<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A notable feature of this product is its use of radio waves for wireless communication between the sensor and the chime. Radio waves can <strong>pass through obstacles<\/strong>. allowing the device to operate even when the sensor and chime are in different rooms or do not have a direct line of sight. This provides greater flexibility and convenience during installation and use.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_Ung_dung_cua_cam_ung_bao_khach_khong_day\"><\/span>2. Applications of the Wireless Visitor Chime<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A wireless visitor chime has many practical applications in daily life and business. The most common include:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-20216 aligncenter\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/2-50.png\" alt=\"\" width=\"707\" height=\"473\" srcset=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/2-50.png 900w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/2-50-768x768.png 768w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/2-50-640x640.png 640w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/2-50-400x400.png 400w\" sizes=\"auto, (max-width: 707px) 100vw, 707px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"21_Su_dung_trong_cua_hang_van_phong_va_phong_kham\"><\/span>2.1. Use in Stores, Offices and Clinics<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Retail stores, offices and clinics often use wireless visitor chimes to detect when a customer or patient enters. When someone comes through the door, the chime sounds so staff can promptly greet and assist them. This creates a good impression on visitors and helps staff work more efficiently.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"22_Bao_ve_an_ninh_tai_gia_dinh_va_cua_hang\"><\/span>2.2. Security for Homes and Stores<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>An important application of the wireless visitor chime is helping protect property and maintain security. The device can detect an intruder at night or when an area is unattended. If it detects unusual movement, the chime sounds, allowing users to respond promptly and help prevent dangerous situations.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"23_Giam_sat_camera_an_ninh\"><\/span>2.3. Monitoring Areas with Security Cameras<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In areas equipped with security cameras, the wireless visitor chime can also alert users when someone appears near an entrance. This allows the person monitoring the area to check the camera promptly, assess the situation and decide how to respond. The device is particularly useful in large office buildings, warehouses and other places requiring close security monitoring.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"24_Ung_dung_linh_hoat_cho_nhieu_cua\"><\/span>2.4. Flexible Use at Multiple Entrances<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>With the ability to <strong>connect multiple sensors to one chime<\/strong> or <strong>connect one sensor to multiple chimes<\/strong>. The product can monitor several areas at once without requiring too many devices. This saves costs and improves monitoring in places with multiple entrances or large spaces.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_Loi_ich_cua_cam_ung_bao_khach_khong_day\"><\/span>3. Benefits of the Wireless Visitor Chime<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Using a wireless visitor chime offers practical benefits, particularly for store management, security monitoring and property protection. These include:<\/p>\n<figure id=\"attachment_21586\" aria-describedby=\"caption-attachment-21586\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-21586 size-large\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/MINH-HOA-I287D-1024x481.jpg\" alt=\"B\u00e1o kh\u00e1ch I287D\" width=\"1024\" height=\"481\" srcset=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/MINH-HOA-I287D-1024x481.jpg 1024w, https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/MINH-HOA-I287D-768x360.jpg 768w, https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/MINH-HOA-I287D-640x300.jpg 640w, https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/MINH-HOA-I287D-400x188.jpg 400w, https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/MINH-HOA-I287D-1000x469.jpg 1000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-21586\" class=\"wp-caption-text\">I287D Visitor Chime<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"31_Tang_cuong_an_ninh_va_bao_ve_tai_san\"><\/span>3.1. Improved Security and Property Protection<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A wireless visitor chime helps detect intruders or people entering without authorization, helping protect property and reduce the risk of theft. The device can operate both day and night, giving homeowners and businesses greater peace of mind.<\/p>\n<figure id=\"attachment_21589\" aria-describedby=\"caption-attachment-21589\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-21589 size-large\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/3-36.png\" alt=\"B\u1ed9 Chu\u00f4ng B\u00e1o Kh\u00e1ch I287D\" width=\"1024\" height=\"930\" srcset=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/3-36.png 900w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/3-36-768x768.png 768w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/3-36-640x640.png 640w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/3-36-400x400.png 400w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-21589\" class=\"wp-caption-text\">I287D Visitor Chime Set<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"32_Tiet_kiem_chi_phi_lap_dat_va_bao_tri\"><\/span>3.2. Lower Installation and Maintenance Costs<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Compared with more complex security monitoring systems, a wireless visitor chime costs less and is easy to install without changing existing infrastructure. It also has low maintenance costs and does not require a professional technician to operate it.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"33_Linh_hoat_trong_viec_su_dung\"><\/span>3.3. Flexible Use<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>With the ability to <strong>wireless connectivity<\/strong> and <strong>pass through obstacles<\/strong>. The wireless visitor chime can be installed in different locations regardless of the layout or design of the space. Users can also move the device when needed without changing the entire system.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"34_Tang_cuong_trai_nghiem_khach_hang\"><\/span>3.4. Better Customer Experience<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In stores, offices and clinics, a wireless visitor chime helps staff greet and assist customers promptly, creating a good impression and improving their experience. Customers feel more attended to and respected when they do not have to wait long.<\/p>\n<figure id=\"attachment_21586\" aria-describedby=\"caption-attachment-21586\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-21586 size-large\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/MINH-HOA-I287D-1024x481.jpg\" alt=\"B\u00e1o kh\u00e1ch I287D\" width=\"1024\" height=\"481\" srcset=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/MINH-HOA-I287D-1024x481.jpg 1024w, https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/MINH-HOA-I287D-768x360.jpg 768w, https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/MINH-HOA-I287D-640x300.jpg 640w, https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/MINH-HOA-I287D-400x188.jpg 400w, https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/09\/MINH-HOA-I287D-1000x469.jpg 1000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-21586\" class=\"wp-caption-text\">I287D Visitor Chime<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"35_De_dang_tich_hop_voi_cac_thiet_bi_khac\"><\/span>3.5. Easy Integration with Other Devices<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The wireless visitor chime can <strong>integrate with various other devices<\/strong> . Such as security cameras, alarm systems or smart home control systems. This helps create a coordinated security system and improves monitoring and protection.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_Huong_dan_lap_dat_va_su_dung_cam_ung_bao_khach_khong_day\"><\/span>4. Installation and Use of the Wireless Visitor Chime<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Installing the wireless visitor chime is straightforward and requires few tools. Choose suitable locations for the <strong>sensor<\/strong> and <strong>chime<\/strong>. \u0110\u1ea3m b\u1ea3o c\u00e1c thi\u1ebft b\u1ecb n\u1eb1m trong t\u1ea7m ho\u1ea1t \u0111\u1ed9ng c\u1ee7a s\u00f3ng radio. Sau \u0111\u00f3, ch\u1ec9 c\u1ea7n th\u1ef1c hi\u1ec7n m\u1ed9t v\u00e0i b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 \u0111\u1ed3ng b\u1ed9 gi\u1eefa c\u1ea3m \u1ee9ng v\u00e0 chu\u00f4ng l\u00e0 b\u1ea1n \u0111\u00e3 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ngay.<\/p>\n<p>Ngo\u00e0i ra, b\u1ea1n c\u0169ng n\u00ean th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra v\u00e0 thay pin cho c\u00e1c thi\u1ebft b\u1ecb. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang lu\u00f4n ho\u1ea1t \u0111\u1ed9ng t\u1ed1t v\u00e0 kh\u00f4ng g\u1eb7p s\u1ef1 c\u1ed1 do h\u1ebft n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<ul>\n<li>Technical specifications of the i287D<\/li>\n<\/ul>\n<p>Infrared Sensor Power Supply: 2 \u00d7 AAA batteries<\/p>\n<p>Or 5V \/ 1A micro USB adapter<\/p>\n<p>Chime Transmitter Power Supply: 90\u2013230VAC<\/p>\n<p>Wireless Frequency: RF433MHz<\/p>\n<p>4 Volume Levels: 80dB with flashing LED indicator<\/p>\n<p>Sensor-to-Chime Detection Range: 30\u2013100m, depending on obstacles and environment<\/p>\n<p>32 chime melodies and alarm tones<\/p>\n<p>Detection Angle: 120\u00b0<\/p>\n<p>&#8211; kho\u1ea3ng c\u00e1ch c\u1ea3m \u1ee9ng t\u1eeb 2-3m (nhi\u1ec7t \u0111\u1ed9 &gt;35\u0111\u1ed9 C), 7m (nhi\u1ec7t \u0111\u1ed9 &lt;32\u0111\u1ed9 C).<\/p>\n<p>Supports adding up to 4 sensors to 1 chime<\/p>\n<p>One sensor can connect to multiple chimes<\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_Ket_luan\"><\/span>5. Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u1ea3m \u1ee9ng b\u00e1o kh\u00e1ch kh\u00f4ng d\u00e2y l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p ti\u1ec7n \u00edch v\u00e0 hi\u1ec7u qu\u1ea3 trong vi\u1ec7c \u0111\u00f3n ti\u1ebfp kh\u00e1ch h\u00e0ng v\u00e0 b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n. V\u1edbi nhi\u1ec1u t\u00ednh n\u0103ng hi\u1ec7n \u0111\u1ea1i nh\u01b0 c\u1ea3m \u1ee9ng h\u1ed3ng ngo\u1ea1i, k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y v\u00e0 kh\u1ea3 n\u0103ng t\u00edch h\u1ee3p nhi\u1ec1u \u0111\u1ea7u c\u1ea3m \u1ee9ng. S\u1ea3n ph\u1ea9m n\u00e0y mang l\u1ea1i r\u1ea5t nhi\u1ec1u l\u1ee3i \u00edch cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng. \u0110\u1eb7c bi\u1ec7t, thi\u1ebft b\u1ecb n\u00e0y ph\u00f9 h\u1ee3p cho nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau t\u1eeb gia \u0111\u00ecnh, v\u0103n ph\u00f2ng \u0111\u1ebfn c\u1eeda h\u00e0ng v\u00e0 b\u1ec7nh vi\u1ec7n.<\/p>\n<p>N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t gi\u1ea3i ph\u00e1p an ninh v\u00e0 ti\u1ec7n l\u1ee3i cho kh\u00f4ng gian c\u1ee7a m\u00ecnh. C\u1ea3m \u1ee9ng b\u00e1o kh\u00e1ch kh\u00f4ng d\u00e2y ch\u00ednh l\u00e0 l\u1ef1a ch\u1ecdn ho\u00e0n h\u1ea3o gi\u00fap b\u1ea1n v\u1eeba b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n. V\u1eeba n\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u00f4ng vi\u1ec7c v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5.<\/p>\n<ul>\n<li aria-level=\"1\">Find more useful product information<\/li>\n<li aria-level=\"1\">Watch a video of the product<a href=\"https:\/\/youtu.be\/LT5tkvsJiZk?si=NgsuXBtbln2nweOk\"> here<\/a><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"TAI_SAO_NEN_CHON_KAWASAN\"><\/span>WHY CHOOSE KAWASAN?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong>A Leading Vietnamese Brand <\/strong>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.<\/li>\n<li><strong>High durability with selected components<\/strong>\u2013 Stable operation even in harsh weather conditions<\/li>\n<li><strong>Superior Warranty Policy<\/strong>\u2013 Repair support is available even after the warranty period if the product can still be restored<\/li>\n<li><strong>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.<\/strong><\/li>\n<li><strong>24\/7 Support Service<\/strong>, with a nationwide dealer network<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cam_ket_tu_Kawasan\"><\/span><strong>Kawasan Commitment<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Kawasan is committed to providing products\u00a0<strong>genuine \u2013 durable \u2013 safe<\/strong>, fully meeting technical standards and practical usage requirements.<br \/>\nAll products are covered by warranty\u00a0<strong>free of charge for 24 months<\/strong>, with 1-for-1 replacement within 30 days for technical defects. In addition, customers are also supported with repair services after the warranty period if the product can still be restored,\u00a0<strong>free of charge<\/strong>\u00a0if the cost of replacement components is insignificant.<\/p>\n<p><strong>Customers can purchase products at authorized dealers within <\/strong><a href=\"https:\/\/kawasan.vn\/en\/he-thong-phan-phoi\/\"><strong>NATIONWIDE DISTRIBUTION SYSTEM<\/strong><\/a><strong> in provinces and cities nationwide, or place orders directly on the website.<\/strong><\/p>\n<p><strong>Buy genuine products at:<\/strong><\/p>\n<ul>\n<li>Contact the Sales Department directly for wholesale prices, dealer \/ distributor prices: 0825 411 408 \/ 0911 757 234<\/li>\n<li>Website:\u00a0<a href=\"https:\/\/kawasan.vn\/en\/\">kawasan.vn<\/a> (For Kawasan products)<\/li>\n<li>Website: <a href=\"https:\/\/www.kawaled.com.vn\/\">kawaled.com.vn<\/a> (For Kawaled products)<\/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>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 | C\u1ea2M \u1ee8NG B\u00c1O KH\u00c1CH \u2013 B\u00c1O \u0110\u1ed8NG KH\u00d4NG D\u00c2Y KAWASAN | Model I287D\" href=\"https:\/\/www.youtube.com\/watch?v=LT5tkvsJiZk&amp;t=10s&amp;pp=0gcJCckJAYcqIYzv\" aria-label=\"Gi\u1edbi Thi\u1ec7u V\u00e0 H\u01b0\u1edbng D\u1eabn S\u1eed D\u1ee5ng | C\u1ea2M \u1ee8NG B\u00c1O KH\u00c1CH \u2013 B\u00c1O \u0110\u1ed8NG KH\u00d4NG D\u00c2Y KAWASAN | Model I287D 2 ph\u00fat, 44 gi\u00e2y\">Gi\u1edbi Thi\u1ec7u | C\u1ea2M \u1ee8NG B\u00c1O KH\u00c1CH \u2013 B\u00c1O \u0110\u1ed8NG KH\u00d4NG D\u00c2Y KAWASAN | Model I287D<\/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=\"Gi\u1edbi Thi\u1ec7u V\u00e0 H\u01b0\u1edbng D\u1eabn S\u1eed D\u1ee5ng | C\u1ea2M \u1ee8NG B\u00c1O KH\u00c1CH \u2013 B\u00c1O \u0110\u1ed8NG KH\u00d4NG D\u00c2Y KAWASAN | Model I287D\" href=\"https:\/\/www.youtube.com\/watch?v=LT5tkvsJiZk&amp;t=10s&amp;pp=0gcJCckJAYcqIYzv\" aria-label=\"Gi\u1edbi Thi\u1ec7u V\u00e0 H\u01b0\u1edbng D\u1eabn S\u1eed D\u1ee5ng | C\u1ea2M \u1ee8NG B\u00c1O KH\u00c1CH \u2013 B\u00c1O \u0110\u1ed8NG KH\u00d4NG D\u00c2Y KAWASAN | Model I287D 2 ph\u00fat, 44 gi\u00e2y\">H\u01b0\u1edbng D\u1eabn S\u1eed D\u1ee5ng | C\u1ea2M \u1ee8NG B\u00c1O KH\u00c1CH \u2013 B\u00c1O \u0110\u1ed8NG KH\u00d4NG D\u00c2Y KAWASAN | Model I287D<\/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=\"C\u1ea3m \u1ee8ng B\u00e1o Kh\u00e1ch - B\u00e1o \u0110\u1ed9ng - \u00c2m B\u00e1o Ti\u1ebfng Vi\u1ec7t | KAWASAN | Model: I287D\" href=\"https:\/\/www.youtube.com\/watch?v=eB3_cunNuyw&amp;pp=0gcJCckJAYcqIYzv\" aria-label=\"C\u1ea3m \u1ee8ng B\u00e1o Kh\u00e1ch - B\u00e1o \u0110\u1ed9ng - \u00c2m B\u00e1o Ti\u1ebfng Vi\u1ec7t | KAWASAN | Model: I287D 20 gi\u00e2y\">C\u1ea3m \u1ee8ng B\u00e1o Kh\u00e1ch &#8211; B\u00e1o \u0110\u1ed9ng &#8211; \u00c2m B\u00e1o Ti\u1ebfng Vi\u1ec7t | KAWASAN | Model: I287D<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>C\u1ea3m \u1ee8ng B\u00e1o Kh\u00e1ch Kh\u00f4ng D\u00e2y: Gi\u1ea3i Ph\u00e1p Hi\u1ec7u Qu\u1ea3 Cho Doanh Nghi\u1ec7p v\u00e0 Gia \u0110\u00ecnh C\u00f4ng ngh\u1ec7 c\u1ea3m \u1ee9ng b\u00e1o kh\u00e1ch kh\u00f4ng d\u00e2y, \u0111\u00e3 v\u00e0 \u0111ang tr\u1edf th\u00e0nh m\u1ed9t gi\u1ea3i ph\u00e1p th\u00f4ng minh, ti\u1ec7n l\u1ee3i cho nhi\u1ec1u h\u1ed9 gia \u0111\u00ecnh v\u00e0 doanh nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i. S\u1ea3n ph\u1ea9m n\u00e0y kh\u00f4ng ch\u1ec9 mang \u0111\u1ebfn s\u1ef1 ti\u1ec7n [&hellip;]<\/p>","protected":false},"featured_media":27600,"comment_status":"open","ping_status":"closed","template":"","meta":{"_yoast_wpseo_focuskw":"C\u1ea3m \u1ee9ng b\u00e1o kh\u00e1ch","_yoast_wpseo_metadesc":"C\u00f4ng ngh\u1ec7 c\u1ea3m \u1ee9ng b\u00e1o kh\u00e1ch kh\u00f4ng d\u00e2y, \u0111\u00e3 v\u00e0 \u0111ang tr\u1edf th\u00e0nh m\u1ed9t gi\u1ea3i ph\u00e1p th\u00f4ng minh, ti\u1ec7n l\u1ee3i cho nhi\u1ec1u h\u1ed9 gia \u0111\u00ecnh v\u00e0 doanh nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i","_yoast_wpseo_focuskeywords":"","_yoast_wpseo_keyword_synonyms":""},"product_cat":[506,15,37,41],"product_tag":[860,1839,722,528,918,1128,1063,938,1127,1130,603,621,1591],"class_list":["post-20209","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-chuong-bao-khach-khong-day","product_cat-cong-tac-cam-ung-chuyen-dong","product_cat-thiet-bi-an-ninh-an-toan","product_cat-chuong-cua-chuong-bao-khach","product_tag-bao-dong","product_tag-bao-khach","product_tag-chuong-bao-khach","product_tag-cong-tac-cam-ung","product_tag-cong-tac-cam-ung-kawasan","product_tag-cong-tac-cam-ung-rang-dong","product_tag-cong-tac-cam-ung-thong-minh","product_tag-cong-tac-den-cam-ung","product_tag-cong-tac-dien-cam-ung","product_tag-cong-tac-dien-thong-minh","product_tag-cong-tac-thong-minh","product_tag-kawasan","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) - 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