Wireless Doorbell Remote Control Music Doorbell, Elderly Pager Smart Doorbell

Volume level: four levels adjustable (can be mute)

Music selection: 36 songs (factory default Ding Dong Ding Dong)

Transmitter: Press with indicator light to light up

Transmitter: a 12V23A battery 46*20*76mm

Receiver: plug in and the bell will light up

Receiver voltage: AC110~240V 59*20*91mm

Working range: 300M in a straight line on the open space (data source factory laboratory)

Scope of application: office, office building, home store, factory and other occasions