Voltage: 12V DC
Operating Current: 20mA
Working Temperature: -10°-45°
Installation: Wall-mounted or double-sided adhesive
Specification:
Brand new
Material: Plastic
Color: White
Power:3W
Source Voltage: 220V
Wired door bell 12V for security access control
Connect to DC 12V power directly
Switch is not included
Volume of doorbell: 90db
Working Voltage: DC12V
Red to 12V(+), Black to GND(-)
Features a bell sound, small size and wall-mount hole, very easy to install