{"id":12674,"date":"2023-11-19T04:00:19","date_gmt":"2023-11-19T04:00:19","guid":{"rendered":"https:\/\/kawasan.123websitedev.com\/?post_type=product&#038;p=12674"},"modified":"2026-09-25T13:28:01","modified_gmt":"2026-09-25T06:28:01","slug":"chuong-cua-b28","status":"publish","type":"product","link":"https:\/\/kawasan.vn\/en\/product\/chuong-cua-b28\/","title":{"rendered":"KAWASAN B28 Wireless Doorbell Chime"},"content":{"rendered":"<p>The B28 doorbell chime is an indoor receiver powered by 220VAC. It can be paired with multiple wireless push buttons and PIR sensors via RF433MHz.<\/p>\n<p><b>It helps monitor visitors entering homes or offices<\/b>and provides an audible notification when someone arrives. This helps users know when a visitor is at the entrance before opening the door, reduces unwanted interruptions, and enhances security for houses, villas, apartments, and offices.<\/p>\n<h2>Key Features of the B28 Doorbell<\/h2>\n<ul>\n<li>Completely wireless connection between the push button and the chime receiver; both components operate independently.<\/li>\n<li>No complicated wiring or professional installation required; users can install the system with simple steps.<\/li>\n<li>Wireless RF signal transmission can pass through walls and common obstacles.<\/li>\n<li>Multiple selectable ringtones suitable for different environments.<\/li>\n<li>LED indicator light provides a visual notification together with the chime sound.<\/li>\n<li>Compact, elegant, and modern design.<\/li>\n<li>Cost-effective operation, with compatible push buttons powered by batteries or self-generating energy depending on the model.<\/li>\n<\/ul>\n<p><strong>Related Products: B28 Doorbell Chime<\/strong><\/p>\n<p><strong><a href=\"https:\/\/thegioidienthongminh.com\/danh-muc\/chuong-cua-chuong-bao-khach\/\">https:\/\/thegioidienthongminh.com\/danh-muc\/chuong-cua-chuong-bao-khach\/<\/a><\/strong><\/p>\n<p><strong><a href=\"https:\/\/kawasan.vn\/en\/product-category\/chuong-cua-chuong-bao-khach\/phu-kien-tich-hop-them-chuong-cua\/\">https:\/\/kawasan.vn\/danh-muc-san-pham\/chuong-cua-chuong-bao-khach\/phu-kien-tich-hop-them-chuong-cua\/<\/a><\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>Chu\u00f4ng c\u1eeda B28 l\u00e0 ph\u1ea7n chu\u00f4ng s\u1eed d\u1ee5ng ngu\u1ed3n \u0111i\u1ec7n 220 VAC. T\u00edch h\u1ee3p \u0111\u01b0\u1ee3c nhi\u1ec1u n\u00fat nh\u1ea5n, \u0111\u1ea7u c\u1ea3m \u1ee9ng h\u1ed3ng ngo\u1ea1i b\u1eb1ng s\u00f3ng RF433Mhz. Gi\u00fap ki\u1ec3m so\u00e1t kh\u00e1ch ra v\u00e0o nh\u00e0 ho\u1eb7c v\u0103n ph\u00f2ng. Cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng quan s\u00e1t; giao ti\u1ebfp v\u1edbi kh\u00e1ch tr\u01b0\u1edbc khi m\u1edf c\u1eeda. Cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng tr\u00e1nh [&hellip;]<\/p>","protected":false},"featured_media":16384,"comment_status":"open","ping_status":"closed","template":"","meta":{"_yoast_wpseo_focuskw":"Chu\u00f4ng C\u1eeda B28","_yoast_wpseo_metadesc":"Chu\u00f4ng c\u1eeda B28 l\u00e0 ph\u1ea7n chu\u00f4ng s\u1eed d\u1ee5ng ngu\u1ed3n \u0111i\u1ec7n 220 VAC. T\u00edch h\u1ee3p \u0111\u01b0\u1ee3c nhi\u1ec1u n\u00fat nh\u1ea5n, \u0111\u1ea7u c\u1ea3m \u1ee9ng h\u1ed3ng ngo\u1ea1i b\u1eb1ng s\u00f3ng RF433Mhz.","_yoast_wpseo_focuskeywords":"","_yoast_wpseo_keyword_synonyms":""},"product_cat":[504,41,85],"product_tag":[1220,1223,1219,1227,1222,723,1228,1229,1230,1226,1027,1037,1038,1040,1023,1021,1022,1024,718,1039,1217,1218,719,1221,621,1224,1225],"class_list":["post-12674","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-phu-kien-tich-hop-them-chuong-cua","product_cat-chuong-cua-chuong-bao-khach","product_cat-hang-khuyen-mai-soc","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-dong","product_tag-chuong-cua-bao-khach","product_tag-chuong-cua-cam-bien","product_tag-chuong-cua-chinh-hang","product_tag-chuong-cua-gia-re","product_tag-chuong-cua-gia-tot","product_tag-chuong-cua-kawasan","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-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>Chu\u00f4ng C\u1eeda B28 KAWASAN - Kawasan<\/title>\n<meta name=\"description\" content=\"Chu\u00f4ng c\u1eeda B28 l\u00e0 ph\u1ea7n chu\u00f4ng s\u1eed d\u1ee5ng ngu\u1ed3n \u0111i\u1ec7n 220 VAC. 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