{"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":"2026-08-26T11:08:19","modified_gmt":"2026-08-26T04:08:19","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>\u0110\u1ea6U C\u1ea2M \u1ee8NG B\u00c1O KH\u00c1CH H\u1ed2NG NGO\u1ea0I KH\u00d4NG D\u00c2Y D28B-U C\u00d3 \u0110\u1eb6C \u0110I\u1ec2M G\u00cc?<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 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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=\"\u1ee8NG D\u1ee4NG C\u1ee6A THI\u1ebeT B\u1eca C\u1ea2M \u1ee8NG H\u1ed2NG NGO\u1ea0I KH\u00d4NG D\u00c2Y D28B-U L\u00c0 G\u00cc?\">\u1ee8NG D\u1ee4NG C\u1ee6A THI\u1ebeT B\u1eca C\u1ea2M \u1ee8NG H\u1ed2NG NGO\u1ea0I KH\u00d4NG D\u00c2Y D28B-U L\u00c0 G\u00cc?<\/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=\"D\u00d9NG \u0110\u1ea6U C\u1ea2M \u1ee8NG H\u1ed2NG NGO\u1ea0I MANG \u0110\u1ebeN NHI\u1ec0U L\u1ee2I \u00cdCH CHO B\u1ea0N\">D\u00d9NG \u0110\u1ea6U C\u1ea2M \u1ee8NG H\u1ed2NG NGO\u1ea0I MANG \u0110\u1ebeN NHI\u1ec0U L\u1ee2I \u00cdCH CHO B\u1ea0N<\/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=\"M\u1ed8T S\u1ed0 \u1ee8NG D\u1ee4NG C\u1ee6A \u0110\u1ea6U C\u1ea2M \u1ee8NG B\u00c1O KH\u00c1CH KH\u00d4NG D\u00c2Y D28B-U\">M\u1ed8T S\u1ed0 \u1ee8NG D\u1ee4NG C\u1ee6A \u0110\u1ea6U C\u1ea2M \u1ee8NG B\u00c1O KH\u00c1CH KH\u00d4NG D\u00c2Y D28B-U<\/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>\u0110\u1ea7u c\u1ea3m \u1ee9ng b\u00e1o kh\u00e1ch D28B-U th\u01b0\u1eddng \u0111i chung v\u1edbi\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\">chu\u00f4ng b\u00e1o kh\u00e1ch kh\u00f4ng d\u00e2y<\/a>\u00a0i618A ho\u1eb7c i618A-R c\u1ee7a Kawasan. Khi t\u00e1ch ra th\u00ec \u0111\u1ea7u c\u1ea3m \u1ee9ng n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean m\u00e3 h\u00e0ng l\u00e0 D28B-U. V\u1edbi kh\u00e1ch h\u00e0ng l\u00e0 ng\u01b0\u1eddi d\u00f9ng th\u01b0\u1eddng kh\u00f4ng \u0111\u1ec3 \u00fd v\u00e0 kh\u00f4ng ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c m\u00e3 h\u00e0ng r\u1eddi n\u00e0y.<\/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=\"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\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/bao-dong-chong-trom.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\/2023\/11\/bao-dong-chong-trom.png 469w, https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/bao-dong-chong-trom-400x201.png 400w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-16664\" class=\"wp-caption-text\">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<\/figcaption><\/figure>\n<\/div>\n<p>B\u00e1o kh\u00e1ch 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. C\u00f3 th\u1ec3 d\u00f9ng Pin AAA (3 vi\u00ean) ho\u1eb7c ngu\u1ed3n t\u1eeb c\u00e1c c\u1ee5c s\u1ea1c \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng 5V theo chu\u1ea9n Micro USB. Gi\u00fap cho ng\u01b0\u1eddi d\u00f9ng t\u1eadn d\u1ee5ng c\u1ee5c s\u1ea1c \u0111i\u1ec7n tho\u1ea1i l\u00e0m ngu\u1ed3n c\u1ea5p. Ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c chi ph\u00ed mua Pin v\u00ec ph\u1ea3i thay th\u01b0\u1eddng xuy\u00ean h\u00e0ng th\u00e1ng n\u1ebfu s\u1eed d\u1ee5ng nhi\u1ec1u.<\/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>\u1ee8NG D\u1ee4NG C\u1ee6A THI\u1ebeT B\u1eca C\u1ea2M \u1ee8NG H\u1ed2NG NGO\u1ea0I KH\u00d4NG D\u00c2Y D28B-U L\u00c0 G\u00cc?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li>C\u1ea3m \u1ee9ng b\u00e1o tr\u1ed9m c\u00f3 th\u1ec3 t\u00edch h\u1ee3p th\u00eam c\u00e1c lo\u1ea1i chu\u00f4ng c\u1eeda kh\u00f4ng d\u00e2y c\u1ee7a Kawasan (m\u00e3 DB667, DB668B, DB669). L\u00fac n\u00e0y, c\u00e1c chu\u00f4ng c\u1eeda kh\u00f4ng d\u00e2y th\u00e0nh chu\u00f4ng b\u00e1o kh\u00e1ch c\u1ea3m \u1ee9ng h\u1ed3ng ngo\u1ea1i b\u1eb1ng c\u00e1ch b\u1ea5m t\u00edch h\u1ee3p cho nh\u1eadn t\u1ea7n s\u1ed1 c\u1ee7a nhau (theo h\u01b0\u1edbng d\u1eabn c\u00f3 in \u1edf m\u1eb7t sau s\u1ea3n ph\u1ea9m).<\/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=\"C\u1ea3m \u1ee9ng h\u1ed3ng ngo\u1ea1i b\u00e1o kh\u00e1ch k\u1ebft h\u1ee3p v\u1edbi chu\u00f4ng c\u1eeda\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/dau-cam-ung-bao-khach-8.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\">C\u1ea3m \u1ee9ng h\u1ed3ng ngo\u1ea1i b\u00e1o kh\u00e1ch k\u1ebft h\u1ee3p v\u1edbi chu\u00f4ng c\u1eeda<\/figcaption><\/figure>\n<\/div>\n<ol start=\"2\">\n<li>Ngo\u00e0i ra\u00a0<a href=\"https:\/\/kawasan.vn\/en\/product-category\/thiet-bi-bao-dong\/bao-dong-chong-trom\/\" target=\"_blank\" rel=\"noopener noreferrer\">b\u00e1o \u0111\u1ed9ng ch\u1ed1ng tr\u1ed9m<\/a>\u00a0D28B-U c\u00f3 th\u1ec3 t\u00edch h\u1ee3p v\u1edbi c\u00e1c trung t\u00e2m b\u00e1o \u0111\u1ed9ng kh\u00f4ng d\u00e2y d\u00f9ng t\u1ea7n s\u1ed1 RF433Mhz. Li\u00ean k\u1ebft v\u1edbi trung t\u00e2m b\u00e1o \u0111\u1ed9ng khi c\u00f3 ng\u01b0\u1eddi \u0111\u1ed9t nh\u1eadp s\u1ebd b\u00e1o qua \u0111i\u1ec7n tho\u1ea1i cho ng\u01b0\u1eddi d\u00f9ng k\u1ecbp th\u1eddi x\u1eed l\u00fd.<\/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\/2023\/11\/dau-cam-ung.jpg\" 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\/2023\/11\/dau-cam-ung.jpg 600w, https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/dau-cam-ung-400x400.jpg 400w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-16670\" class=\"wp-caption-text\">T\u00edch h\u1ee3p v\u1edbi trung t\u00e2m b\u00e1o \u0111\u1ed9ng 262T WIFI SIM&amp;LINE<\/figcaption><\/figure>\n<\/div>\n<ol start=\"3\">\n<li>D28B-U c\u00f3 th\u1ec3 t\u00edch h\u1ee3p v\u1edbi\u00a0c\u00f4ng t\u1eafc \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa\u00a0RF15BT ho\u1eb7c RF01DT l\u00e0m c\u00f2i b\u00e1o \u0111\u1ed9ng kh\u00f4ng d\u00e2y. RF15BT v\u00e0 RF01DT c\u00f3 ch\u1ee9c n\u0103ng c\u00e0i \u0111\u1eb7t b\u1eadt c\u00f4ng t\u1eafc v\u00e0 h\u1eb9n gi\u1edd l\u00f9i t\u1ef1 t\u1eaft sau 3 gi\u00e2y \u0111\u1ebfn 24h (T\u00f9y ch\u1ecdn). V\u00ec v\u1eady D28B-U s\u1ebd l\u00e0 thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n ng\u01b0\u1eddi chuy\u1ec3n \u0111\u1ed9ng, D28B-U s\u1ebd ph\u00e1t s\u00f3ng \u0111\u1ebfn RF15BT \/ RF01DT \u0111\u1ec3 b\u1ea5t c\u00f4ng t\u1eafc, l\u00fac n\u00e0y C\u00f4ng t\u1eafc \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa c\u00f3 h\u1eb9n gi\u1edd l\u00f9i n\u00e0y s\u1ebd c\u1ea5p ngu\u1ed3n cho c\u00f2i c\u00f3 d\u00e2y 220V(T\u00f9y ch\u1ecdn c\u00f4ng su\u1ea5t c\u00f2i). H\u1eb9n gi\u1edd cho c\u00f2i t\u1ef1 t\u1eaft sau 5 gi\u00e2y ho\u1eb7c 10 gi\u00e2y t\u1ef1 t\u1eaft l\u00e0 ph\u00f9 h\u1ee3p.<\/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=\"\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\" 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\">\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<\/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>D\u00d9NG \u0110\u1ea6U C\u1ea2M \u1ee8NG H\u1ed2NG NGO\u1ea0I MANG \u0110\u1ebeN NHI\u1ec0U L\u1ee2I \u00cdCH CHO B\u1ea0N<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Thi\u1ebft b\u1ecb d\u00f9ng Pin ho\u1eb7c d\u00f9ng ngu\u1ed3n 5V s\u1ea1c t\u1eeb \u0111i\u1ec7n tho\u1ea1i ti\u1ec7n l\u1ee3i. Ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c th\u1eddi gian thay Pin ho\u1eb7c s\u1ea1c \u0111i\u1ec7n cho thi\u1ebft b\u1ecb. V\u00ec b\u1ea1n c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i c\u00e1ch n\u1ea1p \u0111i\u1ec7n.<\/li>\n<li>Kh\u00f4ng \u0111i d\u00e2y r\u01b0\u1eddm r\u00e0 n\u1ed1i t\u1eeb \u0111\u1ea7u chu\u00f4ng ho\u1eb7c b\u1ed9 b\u00e1o \u0111\u1ed9ng trung t\u00e2m \u0111\u1ebfn \u0111\u1ea7u c\u1ea3m \u1ee9ng. L\u00e0m t\u0103ng t\u00ednh th\u1ea9m m\u1ef9 cho kh\u00f4ng gian l\u1eafp \u0111\u1eb7t.<\/li>\n<li>\u0110\u1ed9 nh\u1ea1y c\u1ea3m \u1ee9ng h\u1ed3ng ngo\u1ea1i cao v\u00e0 c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf \u0111\u01b0\u1ee3c t\u00ecnh tr\u1ea1ng b\u00e1o gi\u1ea3. Ng\u01b0\u1eddi d\u00f9ng th\u1ea5y thu\u1eadn ti\u1ec7n h\u01a1n v\u00e0 kh\u00f4ng g\u00e2y c\u1ea3m gi\u00e1c kh\u00f3 ch\u1ecbu khi t\u00ecnh tr\u1ea1ng b\u00e1o gi\u1ea3 l\u1eb7p l\u1ea1i nhi\u1ec1u l\u1ea7n.<\/li>\n<li>\u0110\u1ed9 b\u1ec1n s\u1ea3n ph\u1ea9m &gt; 5 n\u0103m, ti\u1ebft ki\u1ec7m chi ph\u00ed thay th\u1ebf ho\u1eb7c mua m\u1edbi. C\u00e1c th\u00f4ng s\u1ed1 ghi b\u1eb1ng ti\u1ebfng Vi\u1ec7t gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 s\u1eed d\u1ee5ng h\u01a1n.<\/li>\n<li>Ch\u1ed1ng tr\u1ed9m hi\u1ec7u qu\u1ea3: khi l\u1eafp \u1edf ban c\u00f4ng ho\u1eb7c c\u1eeda ch\u00ednh c\u1ea3m bi\u1ebfn ph\u00e1t hi\u1ec7n ra ng\u01b0\u1eddi s\u1ebd truy\u1ec1n t\u00edn hi\u1ec7u \u0111\u1ebfn \u0111\u1ea7u ph\u00e1t chu\u00f4ng. Gi\u00fap gia ch\u1ee7 ch\u1ed1ng tr\u1ed9m hi\u1ec7u qu\u1ea3.<\/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=\"\u0110\u1ea7u c\u1ea3m bi\u1ebfn D28B-U l\u00e0 ph\u01b0\u01a1ng \u00e1n m\u1edbi ch\u1ed1ng tr\u1ed9m hi\u1ec7u qu\u1ea3\" src=\"https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/dau-cam-ung-bao-khach-4.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\/2023\/11\/dau-cam-ung-bao-khach-4.png 584w, https:\/\/kawasan.vn\/wp-content\/uploads\/2023\/11\/dau-cam-ung-bao-khach-4-400x423.png 400w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-16667\" class=\"wp-caption-text\">\u0110\u1ea7u c\u1ea3m bi\u1ebfn D28B-U l\u00e0 ph\u01b0\u01a1ng \u00e1n m\u1edbi ch\u1ed1ng tr\u1ed9m hi\u1ec7u qu\u1ea3<\/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>M\u1ed8T S\u1ed0 \u1ee8NG D\u1ee4NG C\u1ee6A \u0110\u1ea6U C\u1ea2M \u1ee8NG B\u00c1O KH\u00c1CH KH\u00d4NG D\u00c2Y D28B-U<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u1edbi \u0111\u1ec3 l\u00e0m chu\u00f4ng b\u00e1o kh\u00e1ch kh\u00f4ng d\u00e2y, v\u1edbi c\u00e1c m\u00e3 h\u00e0ng th\u00e0nh b\u1ed9 c\u1ee7a Kawasan nh\u01b0: I287A, I287B, I618A, I618A-R\u2026.Th\u01b0\u1eddng d\u00f9ng trong:<\/p>\n<ul>\n<li>Showroom, c\u1eeda h\u00e0ng, shop th\u1eddi trang\/m\u1ef9 ph\u1ea9m\u2026<\/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=\"\u0110\u1ea7u c\u1ea3m \u1ee9ng b\u00e1o kh\u00e1ch d\u00f9ng cho c\u00e1c c\u1eeda h\u00e0ng, showroom\u2026\" 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\">\u0110\u1ea7u c\u1ea3m \u1ee9ng b\u00e1o kh\u00e1ch d\u00f9ng cho c\u00e1c c\u1eeda h\u00e0ng, showroom\u2026<\/figcaption><\/figure>\n<\/div>\n<ul>\n<li>Kh\u00e1ch s\u1ea1n, bi\u1ec7t th\u1ef1, v\u0103n ph\u00f2ng\u2026<\/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=\"\u1ee8ng d\u1ee5ng cho c\u00e1c bi\u1ec7t th\u01b0, v\u0103n ph\u00f2ng,\u2026.\" 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\">\u1ee8ng d\u1ee5ng cho c\u00e1c bi\u1ec7t th\u01b0, v\u0103n ph\u00f2ng,\u2026.<\/figcaption><\/figure>\n<\/div>\n<ul>\n<li>Nh\u00e0 \u1edf: c\u1ed5ng ho\u1eb7c l\u1eafp \u1edf ban c\u00f4ng \u0111\u1ec3 l\u00e0m thi\u1ebft b\u1ecb b\u00e1o tr\u1ed9m\u2026<\/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=\"L\u1eafp \u1edf c\u00e1c khu v\u1ef1c nh\u01b0: ban c\u00f4ng, c\u1ed5ng\u2026t\u1ea1i nh\u00e0 \u1edf, c\u0103n h\u1ed9\" 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\">L\u1eafp \u1edf c\u00e1c khu v\u1ef1c nh\u01b0: ban c\u00f4ng, c\u1ed5ng\u2026t\u1ea1i nh\u00e0 \u1edf, c\u0103n h\u1ed9<\/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>Tham kh\u1ea3o b\u00e0i vi\u1ebft v\u1ec1 s\u1ea3n ph\u1ea9m\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>B\u00e0i vi\u1ebft 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>Xem Video gi\u1edbi thi\u1ec7u \u1ee9ng s\u1ea3n ph\u1ea9m, \u1ee9ng d\u1ee5ng v\u00e0 HDSD v\u1ec1 s\u1ea3n ph\u1ea9m\n<ul>\n<li>Video gi\u1edbi thi\u1ec7u s\u1ea3n ph\u1ea9m: <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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