Power Source: AC
Power Source: Battery
Doorbell Type: Wireless
Model Number: A10
Type: Doorbells
Color: Black/White
Remote Range: 300 meters in open area
Plug Type: EU/UK/US plug AU adapter
Volume: 5 levels 0-110db
Transmitter Battery type: 23A12V alkaline battery (do not include)
Melody: 60 pcs
Receiver Power supply: 110-240V
Waterproof Rated: IP 44
Frequency: 433MHz
Applicable temperature: -30 Celsius to 70 Celsius
Applicable Space: Home/Office/Villa/Hotel/Hospital/Apartment