Features
36 chord music AC wireless door chime
Receiver: Use AC 220V hung on the wall in the room
Transmitter: Battery: 12V
With digital code system， without mistake
No wire needed， you can install the doorbell by yourself
Built in battery
General Specs
Type	Wireless Door Chime Doorbell
Battery	12V
Chord	36
Color	White

Package Details Weight: 139.10 g
Size: 23*16*7 cm