Origin: CN(Origin)
Certification: CE
Certification: FCC
Doorbell Type: Wireless
Type: Doorbells
Model Number: A20
Power Source: Battery
Power Source: AC
Color: Black gold
Remote Range: 300 meters in open area
Receiver Plug Type: US/EU/UK Plug AU adapter
Waterproof: Yes
Transmitter power supply: 23A12V alkaline battery (do not include)
Music: 36 ringtones
Receiver Rated Voltage: 110-220V
Volume: 4 levels from 0-80dB
Applicable temperature: -30 Celsius to 70 Celsius
