Battery-less Doorbell
Product specifications and features:

Dimensions:

- Receiver (chime): 68mm x 86mm x 71mm

- Transmitter (button): 46mm x 88mm x 32mm

Weight:

- Receiver (chime): 80g

- Transmitter (button): 62g

Range: 200m in open area

Power supply: AC 110V / 220V

Power consumption: <200mW

Operating temperature:

- Receiver (chime): -10°C – 40°C

- Transmitter (button): -40°C – 60°C

Radio frequency: 433MHz / 315MHz

Wireless doorbell with up to 150,000 mechanical cycles lasts up to 20.5 years.

Maintenance-free with no batteries required.

Waterproof and withstands temperatures as low as -40°C and as high as 60°C.