The wireless doorbell button is mainly used in pair with the host. When the doorbell button is triggered, the host sends a "BUZZ, BUZZ" full-range wireless transmission, and the wireless transmission distance is 50-80 meters.
The shape design is small and beautiful;
Battery life is up to 3 years; no replacement is required;
Transmission frequency 433.9
Working voltage: 3V (CR2032)
Quiescent current: 0
Transmit Code Protocol: 1527 Protocol
Single weight: 10g
Product size: 55 x 30 x 10 mm
colour:white
Material:Metal + plastic
Package Contents:
2 x Smart Door Detector
2 x English Manual