{"id":20690,"date":"2024-11-08T15:42:30","date_gmt":"2024-11-08T08:42:30","guid":{"rendered":"https:\/\/kawasan.vn\/?post_type=product&#038;p=20690"},"modified":"2026-09-16T13:30:03","modified_gmt":"2026-09-16T06:30:03","slug":"den-cam-ung-chuyen-dong-rs81b-9w","status":"publish","type":"product","link":"https:\/\/kawasan.vn\/en\/product\/den-cam-ung-chuyen-dong-rs81b-9w\/","title":{"rendered":"RS81B-9W Microwave Motion Sensor Light"},"content":{"rendered":"<h2 class=\"tab-content\"><span class=\"ez-toc-section\" id=\"THE_NAO_BONG_DEN_CAM_UNG_VI_SONG\"><\/span>WHAT IS A MICROWAVE SENSOR BULB?<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\/den-cam-ung-chuyen-dong-rs81b-9w\/#THE_NAO_BONG_DEN_CAM_UNG_VI_SONG\" title=\"WHAT IS A MICROWAVE SENSOR BULB?\">WHAT IS A MICROWAVE SENSOR BULB?<\/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\/den-cam-ung-chuyen-dong-rs81b-9w\/#DEN_CAM_UNG_VI_SONG_NAO_CO_THE_HOAT_DONG_CA_NGAY_VA_DEM\" title=\"WHICH MICROWAVE SENSOR LIGHTS CAN OPERATE BOTH DAY AND NIGHT?\">WHICH MICROWAVE SENSOR LIGHTS CAN OPERATE BOTH DAY AND NIGHT?<\/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\/den-cam-ung-chuyen-dong-rs81b-9w\/#DIEM_NOI_BAT_CUA_DEN_CAM_BIEN_RS81B\" title=\"OUTSTANDING FEATURES OF THE RS81B SENSOR LIGHT\">OUTSTANDING FEATURES OF THE RS81B SENSOR LIGHT<\/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\/den-cam-ung-chuyen-dong-rs81b-9w\/#SU_KHAC_BIET_CUA_DEN_CAM_UNG_KAWASAN_VOI_CAC_SAN_PHAM_KHAC_TREN_THI_TRUONG\" title=\"DIFFERENCES BETWEEN KAWASAN SENSOR LIGHTS AND OTHER PRODUCTS ON THE MARKET\">DIFFERENCES BETWEEN KAWASAN SENSOR LIGHTS AND OTHER 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\/den-cam-ung-chuyen-dong-rs81b-9w\/#UNG_DUNG_DEN_CAM_BIEN_CHUYEN_DONG_RS81B\" title=\"APPLICATIONS OF THE RS81B MOTION SENSOR LIGHT\">APPLICATIONS OF THE RS81B MOTION SENSOR LIGHT<\/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\/den-cam-ung-chuyen-dong-rs81b-9w\/#LOI_ICH_CUA_DEN_CAM_UNG_THONG_MINH_KAWASAN\" title=\"BENEFITS OF KAWASAN SMART SENSOR LIGHTS\">BENEFITS OF KAWASAN SMART SENSOR LIGHTS<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>The RS81B is a sensor light that uses microwave sensing technology with a Radar frequency of 3.5GHz\u20135.8GHz. It detects waves from people or animals that are sensitive to this frequency. When a moving body is detected within the sensing area, it triggers an electrical signal to activate the switch (Relay) inside the bulb and turn the light ON.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/11\/den-cam-ung-vi-song-rs81-9w.jpg\" alt=\"\u0110\u00e8n c\u1ea3m \u1ee9ng chuy\u1ec3n \u0111\u1ed9ng vi s\u00f3ng RS81B-9W\" data-cke-saved-src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/11\/den-cam-ung-vi-song-rs81-9w.jpg\" \/><\/p>\n<p style=\"text-align: center;\">RS81B-15W Microwave Motion Sensor Light<\/p>\n<div id=\"attachment_5384\" class=\"wp-caption aligncenter\">\n<p id=\"caption-attachment-5384\" class=\"wp-caption-text\">Detects movement and turns the light ON when the environment is dim<\/p>\n<\/div>\n<p>\u0110\u1eb7c \u0111i\u1ec3m c\u1ea3m \u1ee9ng vi s\u00f3ng l\u00e0 c\u00f3 th\u1ec3 c\u1ea3m \u1ee9ng xuy\u00ean qua v\u1eadt c\u1ea3n m\u1ecfng &lt;10mm nh\u01b0 nh\u1ef1a, kinh, th\u1ea1ch cao, g\u1ed7 v\u00e0 m\u1ed9t s\u1ed1 ch\u1ea5t li\u1ec7u t\u01b0\u01a1ng t\u1ef1. V\u00ec v\u1eady c\u1ea7n ch\u00fa \u00fd t\u00ednh n\u0103ng n\u00e0y \u0111\u1ec3 tr\u00e1nh l\u1eafp \u0111\u1eb7t n\u01a1i c\u00f3 c\u00e1nh c\u1eeda d\u00f9ng c\u00e1c ch\u1ea5t li\u1ec7u tr\u00ean. D\u1eabn \u0111\u1ebfn \u0111\u00e8n b\u1ecb s\u00e1ng li\u00ean t\u1ee5c do c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi qua l\u1ea1i b\u00ean ngo\u00e0i c\u1eeda. Ph\u00f9 h\u1ee3p cho c\u00e1c v\u1ecb tr\u00ed nh\u01b0 \u0111\u00e8n c\u1ea7u thang, \u0111\u00e8n nh\u00e0 kho c\u00f3 v\u00e1ch k\u1ec7 che khu\u1ea5t, \u0111\u00e8n WC c\u00f4ng c\u1ed9ng c\u00f3 v\u00e1ch ng\u0103n\u2026<\/p>\n<p>RS81B\u00a0c\u00f3 th\u1eddi gian t\u1ef1 t\u1eaft \u0111\u00e8n l\u00e0 60-90 gi\u00e2y, k\u1ec3 t\u1eeb khi kh\u00f4ng c\u00f3 ng\u01b0\u1eddi di chuy\u1ec3n trong v\u00f9ng qu\u00e9t. V\u1edbi t\u00ednh n\u0103ng ph\u00e1t hi\u1ec7n chuy\u1ec3n \u0111\u1ed9ng li\u00ean t\u1ee5c, n\u00ean \u0111\u00e8n s\u1ebd s\u00e1ng li\u00ean t\u1ee5c kh\u00f4ng t\u1eaft, cho \u0111\u1ebfn khi kh\u00f4ng c\u00f2n c\u01a1 th\u1ec3 s\u00f3ng n\u00e0o di chuy\u1ec3n, th\u00ec m\u1edbi b\u1eaft \u0111\u1ea7u \u0111\u1ebfm th\u1eddi gian t\u1eaft \u0111\u00e8n.<\/p>\n<p>Ngo\u00e0i ra, b\u00f3ng \u0111\u00e8n c\u1ea3m \u1ee9ng c\u00f2n t\u00edch h\u1ee3p th\u00eam m\u1ed9t c\u1ea3m bi\u1ebfn \u00e1nh s\u00e1ng b\u00ean trong b\u00f3ng \u0111\u00e8n. C\u1ea3m bi\u1ebfn \u00e1nh s\u00e1ng n\u00e0y c\u00f3 nhi\u1ec7m v\u1ee5 d\u00f2 \u0111\u1ed9 s\u00e1ng m\u00f4i tr\u01b0\u1eddng xung quanh, ch\u1ec9 cho c\u1ea3m \u1ee9ng vi s\u00f3ng l\u00e0m vi\u1ec7c khi \u0111\u1ed9 s\u00e1ng th\u1ea5p (\u0110\u1ed9 Lux&lt;20lux). N\u1ebfu v\u1ecb tr\u00ed l\u1eafp \u0111\u00e8n c\u00f3 \u00e1nh s\u00e1ng c\u1ee7a \u0111\u00e8n kh\u00e1c chi\u1ebfu v\u00e0o l\u00e0m \u0111\u1ed9 s\u00e1ng m\u00f4i tr\u01b0\u1eddng t\u0103ng (h\u01a1i m\u1edd s\u00e1ng) c\u00f3 th\u1ec3 l\u00e0m cho c\u1ea3m \u1ee9ng vi s\u00f3ng kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<div id=\"attachment_5394\" class=\"wp-caption aligncenter\" style=\"width: 807px;\">\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5394\" title=\"Good sensing performance, suitable for low-light environments\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/3-10.png\" alt=\"C\u1ea3m \u1ee9ng t\u1ed1t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u00f4i tr\u01b0\u1eddng thi\u1ebfu s\u00e1ng\" width=\"807\" height=\"340\" aria-describedby=\"caption-attachment-5394\" data-cke-saved-src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/11\/ung-dE1BBA5ng.jpg\" \/><\/p>\n<p id=\"caption-attachment-5394\" class=\"wp-caption-text\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Good sensing performance, suitable for low-light environments<\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"DEN_CAM_UNG_VI_SONG_NAO_CO_THE_HOAT_DONG_CA_NGAY_VA_DEM\"><\/span>WHICH MICROWAVE SENSOR LIGHTS CAN OPERATE BOTH DAY AND NIGHT?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay, h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i b\u00f3ng \u0111\u00e8n c\u1ea3m \u1ee9ng vi s\u00f3ng \u0111\u1ec1u thi\u1ebft k\u1ebf cho ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng t\u1ed1i (ch\u1ee7 y\u1ebfu d\u00f9ng ban \u0111\u00eam). V\u00ec ch\u1ee9c n\u0103ng n\u00e0y \u0111\u00e3 thi\u1ebft k\u1ebf m\u1eb7c \u0111\u1ecbnh trong bo m\u1ea1ch, kh\u00f4ng th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c. Tr\u1eeb khi c\u00f3 k\u1ef9 thu\u1eadt can thi\u1ec7p v\u00e0o bo m\u1ea1ch.<\/p>\n<p>\u0110\u1ec3 c\u00f3 th\u1ec3 d\u00f9ng \u0111\u00e8n c\u1ea3m bi\u1ebfn vi s\u00f3ng c\u1ea3 ng\u00e0y v\u00e0 \u0111\u00eam th\u00ec ph\u1ea3i chuy\u1ec3n qua d\u00f9ng lo\u1ea1i \u0111ui \u0111\u00e8n c\u1ea3m \u1ee9ng. D\u00f9ng c\u00f4ng ngh\u1ec7\u00a0<a href=\"https:\/\/thegioidienthongminh.com\/san-pham\/dui-den-cam-ung-vi-song-kw-rs686a\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-cke-saved-href=\"https:\/\/thegioidienthongminh.com\/san-pham\/dui-den-cam-ung-vi-song-kw-rs686a\/\"><em><u>RS686A Microwave Sensor Lamp Holder<\/u><\/em><\/a>\u00a0or\u00a0<a href=\"https:\/\/thegioidienthongminh.com\/san-pham\/dui-den-cam-ung-vi-song-rs686c\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-cke-saved-href=\"https:\/\/thegioidienthongminh.com\/san-pham\/dui-den-cam-ung-vi-song-rs686c\/\"><em><u>or Kawasan RS686C<\/u><\/em><\/a>, b\u00f3ng \u0111\u00e8n th\u00ec c\u00f3 th\u1ec3 ch\u1ecdn t\u00f9y \u00fd. N\u1ebfu mu\u1ed1n s\u00e1ng m\u1ea1nh \u0111\u1ec3 d\u00f9ng cho nh\u00e0 kho, h\u00e0nh lang d\u00e0i th\u00ec c\u00f3 th\u1ec3 d\u00f9ng b\u00f3ng \u0111\u00e8n LED c\u00f4ng su\u1ea5t l\u00ean \u0111\u1ebfn 60w.<\/p>\n<p>\u0110ui \u0111\u00e8n c\u1ea3m bi\u1ebfn vi s\u00f3ng c\u1ee7a Kawasan c\u00f3 c\u00e1c ch\u1ee9c n\u0103ng \u0111i\u1ec1u ch\u1ec9nh r\u1ea5t linh ho\u1ea1t. V\u00ed d\u1ee5 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 ch\u1ec9nh \u0111\u01b0\u1ee3c th\u1eddi gian t\u1ef1 t\u1eaft \u0111\u00e8n sau khi kh\u00f4ng c\u00f3 ng\u01b0\u1eddi di chuy\u1ec3n t\u1eeb 10 gi\u00e2y \u0111\u1ebfn 10 ph\u00fat; ch\u1ec9nh cho ho\u1ea1t \u0111\u1ed9ng ban ng\u00e0y, ban \u0111\u00eam ho\u1eb7c l\u00fac tr\u1eddi \u00e1nh s\u00e1ng y\u1ebfu; c\u00f3 th\u1ec3 ch\u1ec9nh \u0111\u01b0\u1ee3c kho\u1ea3ng c\u00e1ch c\u1ea3m \u1ee9ng t\u1eeb 2m \u0111\u1ebfn 8m, t\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng. N\u1ebfu l\u1eafp cho WC th\u00ec ch\u1ec9 c\u1ea7n 2-3m, tr\u00e1nh \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1 \u0111\u00e8n trong WC t\u1ef1 b\u1eadt li\u00ean t\u1ee5c d\u00f9 ng\u01b0\u1eddi \u0111i b\u00ean ngo\u00e0i, v\u00ec c\u1ea3m \u1ee9ng vi s\u00f3ng xuy\u00ean qua c\u00e1nh c\u1eeda.<\/p>\n<div id=\"attachment_5392\" class=\"wp-caption aligncenter\" style=\"width: 305px;\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5392\" title=\"RS686A Sensor Lamp Holder\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/11\/rs686a.png\" alt=\"\u0110ui \u0111\u00e8n c\u1ea3m bi\u1ebfn RS686A\" width=\"305\" height=\"337\" aria-describedby=\"caption-attachment-5392\" data-cke-saved-src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/11\/rs686a.png\" \/><\/p>\n<p id=\"caption-attachment-5392\" class=\"wp-caption-text\">RS686A Sensor Lamp Holder<\/p>\n<\/div>\n<div id=\"attachment_5391\" class=\"wp-caption aligncenter\" style=\"width: 509px;\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5391\" title=\"RS686B and RS686C Sensor Lamp Holders\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/4-7.png\" alt=\"\u0110ui \u0111\u00e8n c\u1ea3m \u1ee9ng RS686B v\u00e0 RS686C\" width=\"509\" height=\"285\" aria-describedby=\"caption-attachment-5391\" data-cke-saved-src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/11\/rs86c-b.png\" \/><\/p>\n<p id=\"caption-attachment-5391\" class=\"wp-caption-text\">RS686B and RS686C Sensor Lamp Holders<\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"DIEM_NOI_BAT_CUA_DEN_CAM_BIEN_RS81B\"><\/span>OUTSTANDING FEATURES OF THE RS81B SENSOR LIGHT<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Good light quality, safe for users\u2019 eyes.<\/li>\n<li>Saves electricity, with a high-quality light source that produces no heat radiation.<\/li>\n<li>The RS81B smart sensor light is not affected by ambient temperatures above 32\u00b0C, helping reduce random ON\/OFF operation caused by weather conditions, unlike infrared sensor bulbs.<\/li>\n<li>Kawasan sensor lights are researched and manufactured in Vietnam, making them suitable for hot weather conditions and the usage habits of Vietnamese users.<\/li>\n<\/ul>\n<div id=\"attachment_5388\" class=\"wp-caption aligncenter\" style=\"width: 505px;\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5388\" title=\"Outstanding Features of the RS81B Sensor Light\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/1-17.png\" alt=\"\u0110\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a \u0111\u00e8n c\u1ea3m bi\u1ebfn RS81B\" width=\"505\" height=\"505\" aria-describedby=\"caption-attachment-5388\" data-cke-saved-src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/11\/diem-noi-bat.png\" \/><\/p>\n<p id=\"caption-attachment-5388\" class=\"wp-caption-text\">Outstanding Features of the RS81B Sensor Light<\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"SU_KHAC_BIET_CUA_DEN_CAM_UNG_KAWASAN_VOI_CAC_SAN_PHAM_KHAC_TREN_THI_TRUONG\"><\/span>DIFFERENCES BETWEEN KAWASAN SENSOR LIGHTS AND OTHER PRODUCTS ON THE MARKET<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Most sensor lights on the market use infrared sensing, so they have a narrower detection angle and lower sensitivity. In particular, when the temperature is above 32\u00b0C, sensor performance decreases significantly.<\/li>\n<li>Other microwave sensor lights on the market may be cheaper. However, their lighting quality may not provide sufficient power, and the sensitivity may not be properly adjusted. Some may be too sensitive, causing the light to remain ON continuously, while others may be insufficiently sensitive and fail to turn the light ON when someone enters.<\/li>\n<li>Kawasan products typically have a service life of more than 3 years and come with a 2-year warranty. By comparison, many products on the market last around 1 year and offer warranties ranging from 3 months to 1 year. Although their initial price may be lower, the replacement cost over a 3-year period can actually be much higher.<\/li>\n<\/ul>\n<div id=\"attachment_5385\" class=\"wp-caption aligncenter\" style=\"width: 508px;\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5385\" title=\"The RS81B microwave sensor light offers many outstanding features\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/5-3.png\" alt=\"\u0110\u00e8n c\u1ea3m \u1ee9ng vi s\u00f3ng RS81B c\u00f3 nhi\u1ec1u t\u00ednh n\u0103ng \u01b0u vi\u1ec7t\" width=\"508\" height=\"472\" aria-describedby=\"caption-attachment-5385\" data-cke-saved-src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/11\/10_1.png\" \/><\/p>\n<p id=\"caption-attachment-5385\" class=\"wp-caption-text\">The RS81B microwave sensor light offers many outstanding features<\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"UNG_DUNG_DEN_CAM_BIEN_CHUYEN_DONG_RS81B\"><\/span>APPLICATIONS OF THE RS81B MOTION SENSOR LIGHT<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>It can be installed in staircase wall lights, hallway lights, gate pillar lights, garden lights, and more. Most of these lights already come with 5W to 12W LED bulbs. Simply remove the existing bulb and replace it with an RS81B bulb (9W or 15W) to turn it into a sensor light.<\/p>\n<div id=\"attachment_5393\" class=\"wp-caption aligncenter\" style=\"width: 514px;\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5393\" title=\"Thay b\u00f3ng \u0111\u00e8n LED th\u00f4ng th\u01b0\u1eddng b\u1eb1ng RS81B \u0111\u1ec3 th\u00e0nh \u0111\u00e8n c\u1ea3m \u1ee9ng c\u1ea7u thang\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/6-2.png\" alt=\"Thay b\u00f3ng \u0111\u00e8n LED th\u00f4ng th\u01b0\u1eddng b\u1eb1ng RS81B \u0111\u1ec3 th\u00e0nh \u0111\u00e8n c\u1ea3m \u1ee9ng c\u1ea7u thang\" width=\"514\" height=\"340\" aria-describedby=\"caption-attachment-5393\" data-cke-saved-src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/11\/thay-the.png\" \/><\/p>\n<p id=\"caption-attachment-5393\" class=\"wp-caption-text\">Replace a regular LED bulb with the RS81B to turn it into a sensor light<\/p>\n<\/div>\n<ul>\n<li>Install in walkway lights for hallways, garden pathways, or factories.<\/li>\n<\/ul>\n<div id=\"attachment_5380\" class=\"wp-caption aligncenter\" style=\"width: 514px;\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5380\" title=\"Suitable for walkway lighting areas\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/11\/minh-hoa.jpg\" alt=\"Th\u00edch h\u1ee3p l\u1eafp cho c\u00e1c khu v\u1ef1c l\u1ed1i \u0111i\" width=\"514\" height=\"301\" aria-describedby=\"caption-attachment-5380\" data-cke-saved-src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/11\/minh-hoa.jpg\" \/><\/p>\n<p id=\"caption-attachment-5380\" class=\"wp-caption-text\">Suitable for walkway lighting areas<\/p>\n<\/div>\n<ul>\n<li>Install in wall lights around house gates, villas, and more.<\/li>\n<\/ul>\n<div id=\"attachment_5379\" class=\"wp-caption aligncenter\" style=\"width: 512px;\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5379\" title=\"Suitable for lights around gates\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/11\/minh-hoa-2.jpg\" alt=\"Th\u00edch h\u1ee3p l\u1eafp cho c\u00e1c \u0111\u00e8n xung quanh c\u1ed5ng\" width=\"512\" height=\"337\" aria-describedby=\"caption-attachment-5379\" data-cke-saved-src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/11\/minh-hoa-2.jpg\" \/><\/p>\n<p id=\"caption-attachment-5379\" class=\"wp-caption-text\">Suitable for lights around gates<\/p>\n<\/div>\n<ul>\n<li>Install in gate lights, garages, kitchen lights, and more.<\/li>\n<\/ul>\n<div id=\"attachment_5395\" class=\"wp-caption aligncenter\" style=\"width: 513px;\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5395\" title=\"Suitable for installation in many different areas \" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/7-2.png\" alt=\"Ph\u00f9 h\u1ee3p l\u1eafp cho nhi\u1ec1u khu v\u1ef1c \" width=\"513\" height=\"449\" aria-describedby=\"caption-attachment-5395\" data-cke-saved-src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/11\/ung-dE1BBA5ng.png\" \/><\/p>\n<p id=\"caption-attachment-5395\" class=\"wp-caption-text\">Suitable for installation in many different areas<\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"LOI_ICH_CUA_DEN_CAM_UNG_THONG_MINH_KAWASAN\"><\/span>BENEFITS OF KAWASAN SMART SENSOR LIGHTS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Saves electricity and time by preventing lights from being left ON after users leave, especially in families with children and elderly people.<\/li>\n<li>Safe for users&#039; health because they do not have to frequently touch the switch to turn on the light. Especially the switch in the toilet because it can be a source of germs that spread disease.<\/li>\n<li>Safe for children and the elderly who have to fumble for the switch to turn on the light when going to the bathroom. Avoid the risk of electric shock due to electric leakage.<\/li>\n<\/ul>\n<div id=\"attachment_5310\" class=\"wp-caption aligncenter\" style=\"width: 808px;\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5310\" title=\"Safe for users\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/11\/an-toan.png\" alt=\"An to\u00e0n cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng\" width=\"808\" height=\"207\" aria-describedby=\"caption-attachment-5310\" data-cke-saved-src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/11\/an-toan.png\" \/><\/p>\n<p id=\"caption-attachment-5310\" class=\"wp-caption-text\">Safe for users<\/p>\n<\/div>\n<ul>\n<li>Has anti-theft ability because when someone breaks in, the light will turn on and the thief will not dare to enter.<\/li>\n<\/ul>\n<div id=\"attachment_5386\" class=\"wp-caption aligncenter\" style=\"width: 508px;\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5386\" title=\"Highly effective anti-theft support\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2026\/09\/2-15.png\" alt=\"Ch\u1ed1ng tr\u1ed9m v\u00f4 c\u00f9ng hi\u1ec7u qu\u1ea3\" width=\"508\" height=\"380\" aria-describedby=\"caption-attachment-5386\" data-cke-saved-src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/11\/chong-trom.png\" \/><\/p>\n<p id=\"caption-attachment-5386\" class=\"wp-caption-text\">Highly effective anti-theft support<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>TH\u1ebe N\u00c0O B\u00d3NG \u0110\u00c8N C\u1ea2M \u1ee8NG VI S\u00d3NG? RS81B l\u00e0 lo\u1ea1i \u0111\u00e8n c\u1ea3m \u1ee9ng d\u00f9ng c\u00f4ng ngh\u1ec7 c\u1ea3m bi\u1ebfn vi s\u00f3ng, t\u1ea7n s\u1ed1 s\u00f3ng Rada 3.5Ghz \u2013 5.8Ghz. Nh\u1eadn di\u1ec7n s\u00f3ng c\u01a1 th\u1ec3 ng\u01b0\u1eddi ho\u1eb7c v\u1eadt c\u00f3 mang t\u1ea7n s\u1ed1 s\u00f3ng nh\u1ea1y c\u1ea3m v\u1edbi t\u1ea7n s\u1ed1 tr\u00ean. Khi c\u00f3 c\u01a1 th\u1ec3 s\u00f3ng di chuy\u1ec3n trong [&hellip;]<\/p>","protected":false},"featured_media":20691,"comment_status":"open","ping_status":"closed","template":"","meta":{"_yoast_wpseo_focuskw":"\u0110\u00e8n c\u1ea3m \u1ee9ng chuy\u1ec3n \u0111\u1ed9ng","_yoast_wpseo_metadesc":"\u0110\u00e8n c\u1ea3m \u1ee9ng chuy\u1ec3n \u0111\u1ed9ng RS81B-9W. Khi c\u00f3 c\u01a1 th\u1ec3 s\u00f3ng di chuy\u1ec3n trong v\u00f9ng ph\u00e1t s\u00f3ng, s\u1ebd k\u00edch ho\u1ea1t t\u00edn hi\u1ec7u cho c\u00f4ng t\u1eafc (Relay) b\u00ean trong b\u00f3ng \u0111\u00e8n b\u1eadt \u0111\u00e8n.","_yoast_wpseo_focuskeywords":"","_yoast_wpseo_keyword_synonyms":""},"product_cat":[2689,491,35],"product_tag":[1173,1193,1185,1170,557,1172,583,1171,1192,1179,1184,1191,1194,556,1166,1163,1195,1178,1187,1181,621],"class_list":["post-20690","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-bong-den-cam-ung-vi-song-dui-e27","product_cat-den-cam-ung-vi-song","product_cat-den-cam-ung","product_tag-bong-den-cam-bien","product_tag-bong-den-cam-bien-anh-sang","product_tag-bong-den-cam-bien-chuyen-dong","product_tag-bong-den-cam-bien-nguoi","product_tag-den-cam-bien","product_tag-den-cam-bien-anh-sang","product_tag-den-cam-bien-cau-thang","product_tag-den-cam-bien-chuyen-dong","product_tag-den-cam-bien-hong-ngoai","product_tag-den-cam-bien-nang-luong-mat-troi","product_tag-den-cam-bien-thong-minh","product_tag-den-cam-bien-tu-dong","product_tag-den-cam-bien-tu-sang","product_tag-den-cam-ung","product_tag-den-cam-ung-hong-ngoai","product_tag-den-cam-ung-kawasan","product_tag-den-cau-thang-cam-bien","product_tag-den-ngu-cam-bien","product_tag-den-ngu-cam-bien-anh-sang","product_tag-gia-den-cam-bien-thong-minh","product_tag-kawasan"],"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\u00e8n C\u1ea3m \u1ee8ng Chuy\u1ec3n \u0110\u1ed9ng Vi S\u00f3ng RS81B-9W - Kawasan<\/title>\n<meta name=\"description\" content=\"\u0110\u00e8n c\u1ea3m \u1ee9ng chuy\u1ec3n \u0111\u1ed9ng RS81B-9W. 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Khi c\u00f3 c\u01a1 th\u1ec3 s\u00f3ng di chuy\u1ec3n trong v\u00f9ng ph\u00e1t s\u00f3ng, s\u1ebd k\u00edch ho\u1ea1t t\u00edn hi\u1ec7u cho c\u00f4ng t\u1eafc (Relay) b\u00ean trong b\u00f3ng \u0111\u00e8n b\u1eadt \u0111\u00e8n.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kawasan.vn\/en\/product\/den-cam-ung-chuyen-dong-rs81b-9w\/\" \/>\n<meta property=\"og:site_name\" content=\"Kawasan\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-16T06:30:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/11\/den-cam-ung-vi-song-rs81-9w.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"652\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\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=\"9 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/kawasan.vn\/san-pham\/den-cam-ung-chuyen-dong-rs81b-9w\/\",\"url\":\"https:\/\/kawasan.vn\/san-pham\/den-cam-ung-chuyen-dong-rs81b-9w\/\",\"name\":\"\u0110\u00e8n C\u1ea3m \u1ee8ng Chuy\u1ec3n \u0110\u1ed9ng Vi S\u00f3ng RS81B-9W - Kawasan\",\"isPartOf\":{\"@id\":\"https:\/\/kawasan.vn\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/kawasan.vn\/san-pham\/den-cam-ung-chuyen-dong-rs81b-9w\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/kawasan.vn\/san-pham\/den-cam-ung-chuyen-dong-rs81b-9w\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/kawasan.vn\/wp-content\/uploads\/2024\/11\/den-cam-ung-vi-song-rs81-9w.jpg\",\"datePublished\":\"2024-11-08T08:42:30+00:00\",\"dateModified\":\"2026-09-16T06:30:03+00:00\",\"description\":\"\u0110\u00e8n c\u1ea3m \u1ee9ng chuy\u1ec3n \u0111\u1ed9ng RS81B-9W. 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