Wireless Doorbell Battery type
Receiver
Voltage: 1.5V AA*3pcs
Standby current: 7mA
Working current: 60mA
Transmitter
Voltage: 12V 12V23A*1pcs
Standby current: 1μA
Working current: 12mA
RF standby power: 0 dbm
With LED Indicator
Frequency: 315MHZ
Operation distance: Max80-150 m
Music: 36 tunes
Sound: 25-80dB ( 3 grad volumes)