12V Wired Doorbell 4-Core Wire | Home & Hotel Door Chime
12V Wired Doorbell 4-Core Wire | Home & Hotel Door Chime
Asia-Teco 12V Wired Doorbell – Clear, Reliable Ding-Dong Alert for Home & Hotel
Upgrade your entryway with the Asia-Teco 12V Wired Doorbell — a compact, no-fuss door chime designed for homes, hotels, offices, and any space that needs a dependable wired alert system. Powered directly by a 12V DC supply, this doorbell never needs batteries, so you can count on it day after day without interruption.
With its crisp ding-dong ringtone, sturdy ABS plastic housing, and neat white-and-silver finish, it blends seamlessly into any interior or exterior wall. Installation is straightforward — simply wall-mount with screws or use double-sided adhesive tape. Compatible with 4-core wire access control systems, making it an ideal addition to a broader entry security or intercom setup.
Made in Mainland China.
Key Features
- 🔔 No Batteries Needed — Runs on 12V DC for continuous, long-lasting operation
- 🔊 Clear Ding-Dong Tone — Loud, distinct chime audible across rooms
- 🏠 Versatile Use — Ideal for homes, hotels, offices, and apartment entrances
- 🔧 Easy Installation — Wall-mount with screws or double-sided adhesive tape
- 🌡️ Wide Operating Range — Works in temperatures from -10°C to 45°C
- 🛡️ Durable ABS Plastic — Anti-oxidation, anti-discoloration material for lasting looks
- 🔌 4-Core Wire Compatible — Integrates with standard access control wiring
Specifications
| Brand | Asia-Teco |
| Model | B12-B |
| Power Supply | 12V DC |
| Working Current | 20 mA |
| Operating Temperature | -10°C to 45°C |
| Operating Humidity | 40% RH – 90% RH |
| Color | White with silver spray accent |
| Material | ABS plastic (anti-oxidation) |
| Dimensions | 85 × 85 × 24 mm (3.39 × 3.39 × 0.98 in) |
| Installation | Wall-mount screws or double-sided adhesive |
| Wire Type | 4-Core |
What's in the Box?
- 1 × 12V Wired Doorbell (Asia-Teco B12-B)
Installation Notes
Please allow a 1–3 cm variance due to manual measurement. Colors may vary slightly depending on your screen's display settings and lighting conditions.
For guidance on home electrical safety when installing wired doorbells and low-voltage devices, visit the U.S. Consumer Product Safety Commission (CPSC) Home Safety Resource.
Frequently Asked Questions
Q: What power supply does this 12V wired doorbell require?
A: This doorbell operates on a 12V DC power supply with a working current of just 20 mA. It is designed to connect to an existing 12V DC access control system or a compatible transformer — no batteries are required, ensuring uninterrupted operation.
Q: Can I use this wired doorbell with my existing access control system?
A: Yes! The Asia-Teco B12-B is specifically designed to work with 4-core wire access control systems, making it compatible with most standard wired entry setups used in homes, hotels, and office buildings.
Q: How do I install this doorbell?
A: Installation is simple and flexible. You can either wall-mount the unit using screws for a secure, permanent fix, or attach it using double-sided adhesive tape for a tool-free setup. The compact 85 × 85 × 24 mm profile fits neatly on any wall surface.
Q: Is this doorbell suitable for outdoor or external door use?
A: The doorbell is designed for external door use and can operate in ambient temperatures ranging from -10°C to 45°C with humidity tolerance up to 90% RH. While it handles typical external-door environments well, we recommend a sheltered installation location to maximize longevity.