Product information:

Working range: 200M
Music selection: 36 ringtones
Volume selection: 4 levels of volume adjustable
Power supply voltage: The transmitter uses a 12V23A battery
Receiver: use three AA batteries
Dimensions: Transmitter: 80*45* 20MM
Receiver: 120*85*30MM.
Scope of application: family commercial residential areas, office buildings,
Hospitals, restaurants, factories and other places

Packing list:

Receiver*1
Transmitter*1