CACAZI W-899 Smart Home Wireless Doorbell Remote Control Doorbell

1. Material: ABS, electronic components
2. Power supply mode: AC
3. Transmitter battery: 12V 23A battery x 1 (delivered with battery)
4. Receiver power supply voltage: 110/220 (V)
5. Power consumption: 1 (W)
6. Music selection: 48 music
7. Volume selection: 6 levels of volume
8. Scope of application: 350 meters
9. Dimensions: Transmitter: 7.3 x 4.1 x 1.9 cm, Receiver: 9.2 x 5.4 x 3.2 cm