{"product_id":"dc-12v-wired-doorbell-chime-home-office-access-control","title":"DC 12V Wired Doorbell Chime – Home \u0026 Office Access Control","description":"\n\u003ch2\u003eDC 12V Wired Doorbell Chime for Home, Office \u0026amp; Access Control Systems\u003c\/h2\u003e\n\u003cp\u003eUpgrade your entryway with this compact, reliable \u003cstrong\u003eDC 12V Wired Doorbell Chime\u003c\/strong\u003e by Asia-Teco. Designed to integrate seamlessly with access control systems, this wall-mount doorbell delivers a clear \"Ding-Dong\" vocal chime at a loud \u003cstrong\u003e90 dB\u003c\/strong\u003e output — audible across rooms, offices, warehouses, and reception areas. Its no-fuss wired design means stable, consistent performance without ever worrying about batteries.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC 12V Direct Connection\u003c\/strong\u003e – Connects directly to a DC 12V power source (red wire to 12V+, black wire to GND–). No built-in battery required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e90 dB Vocal Chime\u003c\/strong\u003e – Crisp \"Ding-Dong\" bell tone loud enough for busy offices, storefronts, and home entryways.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccess Control Compatible\u003c\/strong\u003e – Specifically designed to work with wired access control systems for professional and residential installations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Wall-Mount Design\u003c\/strong\u003e – Slim profile (86 × 60 × 23 mm) with built-in mounting hole for quick, easy installation on any wall surface.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Plastic Housing\u003c\/strong\u003e – Lightweight white plastic casing blends neatly into any décor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Power Draw\u003c\/strong\u003e – Operates at just 3W, keeping energy usage minimal.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Wiring\u003c\/strong\u003e – Color-coded leads (Red = 12V+, Black = GND–) make wiring straightforward even for DIY installers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAsia-Teco\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eB12-A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVolume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e86 × 60 × 23 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDoorbell Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWired\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × DC 12V Wired Doorbell Chime\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Switch\/button is \u003cem\u003enot\u003c\/em\u003e included. This doorbell connects directly to a DC 12V power source and is intended for use with access control systems. Please allow minor measurement tolerances. Monitor color settings may cause slight color variation from actual product.\u003c\/p\u003e\n\n\u003cp\u003eFor general guidance on home and building security systems, visit the U.S. Consumer Product Safety Commission (CPSC) for safety standards and tips.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What power source does the DC 12V wired doorbell require?\u003c\/h4\u003e\n\u003cp\u003eA: This doorbell connects directly to a DC 12V power supply. It does not have a built-in battery. Simply connect the red wire to 12V+ and the black wire to GND(–) on your access control system or a compatible 12V DC power adapter.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is a push button\/switch included with the wired doorbell chime?\u003c\/h4\u003e\n\u003cp\u003eA: No, the push button or switch is not included. You will need to use your existing access control button or purchase a compatible momentary push button switch separately to trigger the chime.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this doorbell be used with an existing home access control system?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The Asia-Teco B12-A is specifically designed for integration with wired access control systems operating at DC 12V. It is suitable for homes, offices, storefronts, warehouses, and any location that uses a 12V access control setup.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How loud is the doorbell chime?\u003c\/h4\u003e\n\u003cp\u003eA: The doorbell produces a 90 dB \"Ding-Dong\" chime, which is clearly audible in most indoor environments including larger rooms, reception areas, and open-plan offices.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How is the doorbell mounted?\u003c\/h4\u003e\n\u003cp\u003eA: The unit features a built-in wall-mount hole, making installation straightforward. Simply secure it to the wall using a screw, connect the two color-coded wires, and it's ready to use.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What power source does the DC 12V wired doorbell require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This doorbell connects directly to a DC 12V power supply. It does not have a built-in battery. Simply connect the red wire to 12V+ and the black wire to GND(–) on your access control system or a compatible 12V DC power adapter.\"}}, {\"@type\": \"Question\", \"name\": \"Is a push button\/switch included with the wired doorbell chime?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, the push button or switch is not included. 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