DC 12V Door Bell Mechanical Chime Door Access Control System Modern Wired Doorbell Chime Office

Label:Yes External wired door bell for security access control Easy to install, wall-mounted or double-sided adhesive paste. Featured with soft, loud and clear ding dong playing bell sound. Connect to DC 12V power directly. Can be used for a long time. Switch is not included. A good replacement for the old and broken one.

Specifications: Material: ABS Plastic Color: White 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/3.17oz

Wire Connection: Red: + 12 V Black: GND Green: BELL1 Yellow: BELL2

Package Included: 1 * Door Bell