Description:

Enhanced Security ---- External wired door bell for security access control. Featured with soft, loud and clear ding dong playing bell sound.. Easy Installation and Power Connection ---- Simply connect the doorbell to DC 12V power for long-lasting use. The doorbell is easy to install, wall-mounted or double-sided adhesive paste.. Convenient Wire Connection ---- The wire connection is straightforward, with red for +12V, black for GND, green for BELL1, and yellow for BELL2, ensuring easy setup.. Versatile Use ---- This doorbell serves as a practical replacement for old or broken units, offering a reliable solution for security access control. Switch is not included.. Specifications ---- Material: ABS Plastic, Voltage: 12V DC, Operating Current: 20mA, Environment Temperature: -10-45, Relative Humidity: 40%RH-90%RH, Installation: Wall-mounted or double-sided adhesive(not included), Size: Approx. 8.6 * 8.6 * 2.5cm / 3.39 * 3.39 * 0.98in, Weight: Approx. 90g, Package Included: 1 * Door Bell..