{"id":6354,"date":"2023-11-01T05:34:03","date_gmt":"2023-11-01T05:34:03","guid":{"rendered":"https:\/\/kawasan.123websitedev.com\/product\/dau-cam-ung-bao-khach-hong-ngoai-d28b-u\/"},"modified":"2026-09-29T11:02:28","modified_gmt":"2026-09-29T04:02:28","slug":"dau-cam-ung-bao-khach-hong-ngoai-d28b-u","status":"publish","type":"product","link":"https:\/\/kawasan.vn\/en\/product\/dau-cam-ung-bao-khach-hong-ngoai-d28b-u\/","title":{"rendered":"D28B-U Infrared Visitor Sensor"},"content":{"rendered":"<h2><span class=\"ez-toc-section\" id=\"DAU_CAM_UNG_BAO_KHACH_HONG_NGOAI_KHONG_DAY_D28B-U_CO_DAC_DIEM_GI\"><\/span>WHAT ARE THE FEATURES OF THE D28B-U WIRELESS PIR VISITOR SENSOR?<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\/dau-cam-ung-bao-khach-hong-ngoai-d28b-u\/#DAU_CAM_UNG_BAO_KHACH_HONG_NGOAI_KHONG_DAY_D28B-U_CO_DAC_DIEM_GI\" title=\"WHAT ARE THE FEATURES OF THE D28B-U WIRELESS PIR VISITOR SENSOR?\">WHAT ARE THE FEATURES OF THE D28B-U WIRELESS PIR VISITOR SENSOR?<\/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\/dau-cam-ung-bao-khach-hong-ngoai-d28b-u\/#UNG_DUNG_CUA_THIET_BI_CAM_UNG_HONG_NGOAI_KHONG_DAY_D28B-U_LA_GI\" title=\"WHAT ARE THE APPLICATIONS OF THE D28B-U WIRELESS PIR SENSOR?\">WHAT ARE THE APPLICATIONS OF THE D28B-U WIRELESS PIR SENSOR?<\/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\/dau-cam-ung-bao-khach-hong-ngoai-d28b-u\/#DUNG_DAU_CAM_UNG_HONG_NGOAI_MANG_DEN_NHIEU_LOI_ICH_CHO_BAN\" title=\"BENEFITS OF USING THE PIR SENSOR\">BENEFITS OF USING THE PIR SENSOR<\/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\/dau-cam-ung-bao-khach-hong-ngoai-d28b-u\/#MOT_SO_UNG_DUNG_CUA_DAU_CAM_UNG_BAO_KHACH_KHONG_DAY_D28B-U\" title=\"SOME APPLICATIONS OF THE D28B-U WIRELESS VISITOR SENSOR\">SOME APPLICATIONS OF THE D28B-U WIRELESS VISITOR SENSOR<\/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\/dau-cam-ung-bao-khach-hong-ngoai-d28b-u\/#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-6\" href=\"https:\/\/kawasan.vn\/en\/product\/dau-cam-ung-bao-khach-hong-ngoai-d28b-u\/#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-7\" href=\"https:\/\/kawasan.vn\/en\/product\/dau-cam-ung-bao-khach-hong-ngoai-d28b-u\/#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>The D28B-U visitor sensor is commonly used together with Kawasan\u00a0<a href=\"https:\/\/kawasan.com.vn\/san-pham.html\/chuong-cua-chuong-bao-khach.html\/chuong-bao-khach-khong-day.html\" target=\"_blank\" rel=\"noopener noreferrer\">wireless visitor chimes<\/a>\u00a0such as the i618A or i618A-R. When supplied separately, this sensor is identified by the model code D28B-U. End users may not always notice or distinguish this separate accessory model code.<\/p>\n<div id=\"attachment_5881\" class=\"wp-caption aligncenter\">\n<figure id=\"attachment_16664\" aria-describedby=\"caption-attachment-16664\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16664\" title=\"Can be powered by batteries or a 5V power adapter for convenient operation.\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/1-91.png\" alt=\"C\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i d\u00f9ng Pin ho\u1eb7c c\u1eafm s\u1ea1c v\u00f4 c\u00f9ng ti\u1ec7n d\u1ee5ng\" width=\"600\" height=\"302\" srcset=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/1-91.png 900w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/1-91-768x768.png 768w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/1-91-640x640.png 640w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/1-91-400x400.png 400w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-16664\" class=\"wp-caption-text\">Can be powered by batteries or a 5V power adapter for convenient operation.<\/figcaption><\/figure>\n<\/div>\n<p>The D28B-U uses passive infrared sensing technology to detect human body heat and movement. It can be powered by 3 AAA batteries or by a 5V mobile phone charger through a Micro USB connection. This allows users to reuse a standard phone charger as the power source and helps reduce battery replacement costs, especially in frequently used applications.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"UNG_DUNG_CUA_THIET_BI_CAM_UNG_HONG_NGOAI_KHONG_DAY_D28B-U_LA_GI\"><\/span>WHAT ARE THE APPLICATIONS OF THE D28B-U WIRELESS PIR SENSOR?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li>The sensor can be paired with compatible Kawasan wireless door chimes such as DB667, DB668B, and DB669. Once paired to operate on the same frequency, these wireless door chimes can function as PIR-based visitor chimes. Pairing instructions are printed on the rear of the product.<\/li>\n<\/ol>\n<div id=\"attachment_5880\" class=\"wp-caption aligncenter\">\n<figure id=\"attachment_16669\" aria-describedby=\"caption-attachment-16669\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16669\" title=\"PIR visitor sensor combined with a wireless door chime.\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/2-80.png\" alt=\"C\u1ea3m \u1ee9ng h\u1ed3ng ngo\u1ea1i b\u00e1o kh\u00e1ch k\u1ebft h\u1ee3p v\u1edbi chu\u00f4ng c\u1eeda\" width=\"600\" height=\"535\" \/><figcaption id=\"caption-attachment-16669\" class=\"wp-caption-text\">PIR visitor sensor combined with a wireless door chime.<\/figcaption><\/figure>\n<\/div>\n<ol start=\"2\">\n<li>In addition, the D28B-U\u00a0<a href=\"https:\/\/kawasan.vn\/en\/product-category\/thiet-bi-bao-dong\/bao-dong-chong-trom\/\" target=\"_blank\" rel=\"noopener noreferrer\">intruder alarm<\/a>\u00a0can be integrated with wireless alarm control panels operating on RF433MHz. When an intrusion is detected, the sensor sends a signal to the central alarm system, which can then notify the user by phone for timely response.<\/li>\n<\/ol>\n<div id=\"attachment_5884\" class=\"wp-caption aligncenter\">\n<figure id=\"attachment_16670\" aria-describedby=\"caption-attachment-16670\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16670 size-full\" title=\"T\u00edch h\u1ee3p v\u1edbi trung t\u00e2m b\u00e1o \u0111\u1ed9ng 262T WIFI SIM&amp;LINE\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/3-57.png\" alt=\"T\u00edch h\u1ee3p v\u1edbi trung t\u00e2m b\u00e1o \u0111\u1ed9ng 262T WIFI SIM&amp;LINE\" width=\"600\" height=\"600\" srcset=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/3-57.png 900w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/3-57-768x768.png 768w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/3-57-640x640.png 640w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/3-57-400x400.png 400w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-16670\" class=\"wp-caption-text\">Integrated with the 262T WiFi SIM &amp; Line alarm control panel.<\/figcaption><\/figure>\n<\/div>\n<ol start=\"3\">\n<li>He D28B-U can also be integrated with RF15BT or RF01DT remote-control switches to create a wireless alarm siren system. The RF15BT and RF01DT support switch activation and countdown auto-off timing from 3 seconds to 24 hours, depending on the selected setting.\nIn this configuration, the D28B-U detects human movement and transmits an RF signal to the RF15BT \/ RF01DT, which then switches ON and supplies power to a 220V wired siren. The siren power rating can be selected according to system requirements. A countdown setting of approximately 5 or 10 seconds is generally suitable for automatically switching the siren OFF.<\/li>\n<\/ol>\n<div id=\"attachment_5885\" class=\"wp-caption aligncenter\">\n<figure id=\"attachment_16665\" aria-describedby=\"caption-attachment-16665\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16665 size-full\" title=\"D28B-U visitor sensor integrated with an alarm siren and remote-control switch.\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/bao-khach-khong-day.jpg\" alt=\"\u0110\u1ea7u c\u1ea3m \u1ee9ng b\u00e1o kh\u00e1ch t\u00edch h\u1ee3p v\u1edbi c\u00f2i h\u00fa v\u00e0 c\u00f4ng t\u1eafc \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa\" width=\"600\" height=\"600\" srcset=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/bao-khach-khong-day.jpg 600w, https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/bao-khach-khong-day-400x400.jpg 400w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-16665\" class=\"wp-caption-text\">D28B-U visitor sensor integrated with an alarm siren and remote-control switch.<\/figcaption><\/figure>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"DUNG_DAU_CAM_UNG_HONG_NGOAI_MANG_DEN_NHIEU_LOI_ICH_CHO_BAN\"><\/span>BENEFITS OF USING THE PIR SENSOR<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>The device can operate on batteries or from a 5V mobile phone charger, providing flexible power options and reducing the need for frequent battery replacement.<\/li>\n<li>No complicated wiring is required between the sensor and the chime receiver or central alarm panel, helping maintain a neat installation.<\/li>\n<li>High PIR detection sensitivity with reduced false alarms helps improve convenience and prevents repeated unnecessary warnings.<\/li>\n<li>Product service life of more than 5 years helps reduce replacement costs. Specifications printed in Vietnamese also make the device easier for local users to operate.<\/li>\n<li>Effective for anti-theft applications: when installed at a balcony or main entrance, the sensor detects a person and transmits a signal to the chime receiver or alarm system, helping provide timely intrusion warning.<\/li>\n<\/ul>\n<div id=\"attachment_5876\" class=\"wp-caption aligncenter\">\n<figure id=\"attachment_16667\" aria-describedby=\"caption-attachment-16667\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16667\" title=\"The D28B-U sensor provides a practical solution for anti-theft protection.\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/4-35.png\" alt=\"\u0110\u1ea7u c\u1ea3m bi\u1ebfn D28B-U l\u00e0 ph\u01b0\u01a1ng \u00e1n m\u1edbi ch\u1ed1ng tr\u1ed9m hi\u1ec7u qu\u1ea3\" width=\"600\" height=\"635\" srcset=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/4-35.png 900w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/4-35-768x768.png 768w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/4-35-640x640.png 640w, https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/4-35-400x400.png 400w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-16667\" class=\"wp-caption-text\">The D28B-U sensor provides a practical solution for anti-theft protection.<\/figcaption><\/figure>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"MOT_SO_UNG_DUNG_CUA_DAU_CAM_UNG_BAO_KHACH_KHONG_DAY_D28B-U\"><\/span>SOME APPLICATIONS OF THE D28B-U WIRELESS VISITOR SENSOR<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The D28B-U is commonly integrated into Kawasan wireless visitor chime systems such as I287A, I287B, I618A, and I618A-R. Typical applications include:<\/p>\n<ul>\n<li>Showrooms, retail stores, fashion shops, cosmetics stores, and similar locations<\/li>\n<\/ul>\n<div id=\"attachment_5875\" class=\"wp-caption aligncenter\">\n<figure id=\"attachment_16672\" aria-describedby=\"caption-attachment-16672\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16672\" title=\"Visitor sensor for stores and showrooms.\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/dau-cam-ung-bao-khach-4-e1636603662407.jpg\" alt=\"\u0110\u1ea7u c\u1ea3m \u1ee9ng b\u00e1o kh\u00e1ch d\u00f9ng cho c\u00e1c c\u1eeda h\u00e0ng, showroom\u2026\" width=\"600\" height=\"381\" \/><figcaption id=\"caption-attachment-16672\" class=\"wp-caption-text\">Visitor sensor for stores and showrooms.<\/figcaption><\/figure>\n<\/div>\n<ul>\n<li>Hotels, villas, offices, and similar facilities<\/li>\n<\/ul>\n<div id=\"attachment_5882\" class=\"wp-caption aligncenter\">\n<figure id=\"attachment_16675\" aria-describedby=\"caption-attachment-16675\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16675\" title=\"Suitable for villas, offices, and other premises.\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/ung-dung-dau-cam-bien.jpg\" alt=\"\u1ee8ng d\u1ee5ng cho c\u00e1c bi\u1ec7t th\u01b0, v\u0103n ph\u00f2ng,\u2026.\" width=\"600\" height=\"437\" \/><figcaption id=\"caption-attachment-16675\" class=\"wp-caption-text\">Suitable for villas, offices, and other premises.<\/figcaption><\/figure>\n<\/div>\n<ul>\n<li>Residential applications, including gates and balconies for use as an anti-theft sensor<\/li>\n<\/ul>\n<div id=\"attachment_5869\" class=\"wp-caption aligncenter\">\n<figure id=\"attachment_16671\" aria-describedby=\"caption-attachment-16671\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16671\" title=\"Suitable for installation at balconies, gates, and other areas in houses and apartments.\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/dau-cam-ung-bao-khach-1-e1636603555669.jpg\" alt=\"L\u1eafp \u1edf c\u00e1c khu v\u1ef1c nh\u01b0: ban c\u00f4ng, c\u1ed5ng\u2026t\u1ea1i nh\u00e0 \u1edf, c\u0103n h\u1ed9\" width=\"600\" height=\"345\" \/><figcaption id=\"caption-attachment-16671\" class=\"wp-caption-text\">Suitable for installation at balconies, gates, and other areas in houses and apartments.<\/figcaption><\/figure>\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>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.<\/li>\n<li>High durability with selected components \u2013 Stable operation even in harsh weather conditions<\/li>\n<li>Superior warranty policy \u2013 Repair support is available even after the warranty period if the product can still be restored<\/li>\n<li>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.<\/li>\n<li>24\/7 support service and a nationwide dealer network<\/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>Kawasan is committed to providing products\u00a0<b>genuine \u2013 durable \u2013 safe<\/b>, fully meeting technical standards and practical usage requirements. All products are covered by warranty\u00a0<b>free of charge for 24 months<\/b>,\u00a0<b>1-for-1 replacement within 30 days<\/b>\u00a0if 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,\u00a0<b>free of charge<\/b>\u00a0if the cost of replacement components is insignificant. Customers can purchase products at dealers within<a href=\"https:\/\/kawasan.vn\/en\/he-thong-phan-phoi\/\"><b>NATIONWIDE DISTRIBUTION SYSTEM<\/b><\/a>\u00a0provinces and cities nationwide, or place orders on the website.<\/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>Contact the sales department directly for wholesale, dealer \/ distributor pricing:\u00a0<b>0825 411 408 \/ 0911 757234<\/b><\/li>\n<li>Website:<a href=\"https:\/\/kawasan.vn\/en\/?_gl=1*105adfi*_gcl_aw*R0NMLjE3NTIwMzE4NzkuQ2p3S0NBandnN1BEQmhCeEVpd0FmMUNWdV9YNVk5RVVUUU5jeFRHZFlNak5VdGd5OEdlM2M1YlNNbHZWaW9qMFNZengtN0VQMk1yVFdSb0NCM2dRQXZEX0J3RQ..*_gcl_au*MTcyOTk0ODg3Ny4xNzU2ODY1NTgwLjExOTQzNDk4NzkuMTc1NzQ5MTY0MS4xNzU3NDkxNjQw\">\u00a0www.kawasan.vn<\/a>\u00a0(For Kawasan products)<\/li>\n<li>Website:<a href=\"https:\/\/www.kawaled.com.vn\/\">\u00a0www.kawaled.com.vn<\/a>\u00a0(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>Refer to product-related articles:\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Article 1 <strong><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><\/strong><\/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=\"H\u01b0\u1edbng D\u1eabn S\u1eed D\u1ee5ng | C\u1ea3m \u1ee8ng B\u00e1o Kh\u00e1ch H\u1ed3ng Ngo\u1ea1i KAWASAN | Model D28B-U\" href=\"https:\/\/www.youtube.com\/watch?v=JzrHGtvH91M\" aria-label=\"H\u01b0\u1edbng D\u1eabn S\u1eed D\u1ee5ng | C\u1ea3m \u1ee8ng B\u00e1o Kh\u00e1ch H\u1ed3ng Ngo\u1ea1i KAWASAN | Model D28B-U 38 gi\u00e2y\">H\u01b0\u1edbng D\u1eabn S\u1eed D\u1ee5ng | C\u1ea3m \u1ee8ng B\u00e1o Kh\u00e1ch H\u1ed3ng Ngo\u1ea1i KAWASAN | Model D28B-U<\/a><\/li>\n<li><a id=\"video-title\" class=\"yt-simple-endpoint style-scope ytd-video-renderer\" title=\"H\u01b0\u1edbng D\u1eabn S\u1eed D\u1ee5ng | B\u00e1o Kh\u00e1ch Kh\u00f4ng D\u00e2y C\u1ee7a KAWASAN | Model: i287B (2022)\" href=\"https:\/\/www.youtube.com\/watch?v=AaCvSi99rHo\" aria-label=\"H\u01b0\u1edbng D\u1eabn S\u1eed D\u1ee5ng | B\u00e1o Kh\u00e1ch Kh\u00f4ng D\u00e2y C\u1ee7a KAWASAN | Model: i287B (2022) 3 ph\u00fat, 5 gi\u00e2y\">H\u01b0\u1edbng D\u1eabn S\u1eed D\u1ee5ng | B\u00e1o Kh\u00e1ch Kh\u00f4ng D\u00e2y C\u1ee7a KAWASAN<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>M\u00e3 s\u1ea3n ph\u1ea9m: D28B-UT\u00ecnh tr\u1ea1ng:C\u00f2n h\u00e0ng<\/p>","protected":false},"featured_media":28091,"comment_status":"open","ping_status":"closed","template":"","meta":{"_yoast_wpseo_focuskw":"\u0110\u1ea7u C\u1ea3m \u1ee8ng","_yoast_wpseo_metadesc":"\u0110\u1ea7u c\u1ea3m \u1ee9ng D28B-U d\u00f9ng nguy\u00ean l\u00fd c\u1ea3m \u1ee9ng h\u1ed3ng ngo\u1ea1i ph\u00e1t hi\u1ec7n th\u00e2n nhi\u1ec7t chuy\u1ec3n \u0111\u1ed9ng. D\u00f9ng Pin AAA (3 vi\u00ean) ho\u1eb7c ngu\u1ed3n s\u1ea1c \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng 5V","_yoast_wpseo_focuskeywords":"","_yoast_wpseo_keyword_synonyms":""},"product_cat":[1999,504,41,85],"product_tag":[1098,537,1100,1101,1099,1220,1223,1219,1227,1222,723,1228,1229,1230,1226,1027,1038,718,1039,1217,1218,719,1221,1231,1232,621,1224,1225],"class_list":["post-6354","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-cam-bien-hong-ngoai-khong-day","product_cat-phu-kien-tich-hop-them-chuong-cua","product_cat-chuong-cua-chuong-bao-khach","product_cat-hang-khuyen-mai-soc","product_tag-cam-ung-bao-khach","product_tag-cam-ung-hong-ngoai","product_tag-cam-ung-hong-ngoai-chinh-hang","product_tag-cam-ung-hong-ngoai-gia-tot","product_tag-cam-ung-kawasan","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-bao-cam-bien","product_tag-dau-chuong-bao-khach","product_tag-kawasan","product_tag-pin-chuong-cua","product_tag-pin-chuong-cua-khong-day"],"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>\u0110\u1ea7u C\u1ea3m \u1ee8ng B\u00e1o Kh\u00e1ch H\u1ed3ng Ngo\u1ea1i D28B-U - Kawasan<\/title>\n<meta name=\"description\" content=\"\u0110\u1ea7u c\u1ea3m \u1ee9ng D28B-U d\u00f9ng nguy\u00ean l\u00fd c\u1ea3m \u1ee9ng h\u1ed3ng ngo\u1ea1i ph\u00e1t hi\u1ec7n th\u00e2n nhi\u1ec7t chuy\u1ec3n \u0111\u1ed9ng. 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