KDL Wired Door Bell Chime DC 12V Electronic Doorbell 3 Ringtones Access Control Accessories White Plastic Dingdong Ring for Office Home Security Access Control System

Product Features: 1, External wired door bell for security access control. Can work together with access control keypad, power supply, electric lock, and other access control products. 2, Featured with soft, loud and clear 3 Ringtones for choice playing bell sound. 3, Connect to DC 12V power directly. Can be used for a long time. 4, Easy to install, wall-mounted. 5, Switch is not included. A good replacement for the old and broken one. Product Specifications: Ringtones: 3 chords Voltage: 12V DC Operating Current: 20mA Environment Temperature: -10°C-45°C Relative Humidity: 40%RH-90%RH Installation: Wall-mounted Size: Approx. 85 * 85 * 25mm Material: ABS Plastic Weight: Approx. 0.1kg Product Details: 1, Using ABS flame retardant material production, fire prevention, high temperature resistance. Can be used very long time. 2, After the product is connected to the access control system, press the doorbell button of the access control to make a pleasant ringtone. 3, High loudness 90dB speaker, crisp doorbell, not afraid of the owner can not hear. 4, Should be powered by a DC12V access control power supply. Don't need to install battery for this door bell. Wires Connection: Red: + 12 V, Black: GND, Green: BELL1, Yellow: BELL2 Package List: 1 * B08 Door Bell