Wireless Remote Doorbell with 38 Polyphony Sounds (White)

Receiver working voltage: DC4.5V Batteries
Static electricity of the receiver: ≤ 0.6mA (Ultra-low power, can extend battery life)

Work Frequency: 315MHz or 433.92MHz(basic on customers request)
Remote Control Distance: ≤120m (in open air)
Working Voltage of the Emitter: 12V( A23 Battery – Not included)

38 polyphonic ring tones (selected the ring tone that you like simply by pressing the “up/down” button on the receiver.
Volume can be regulated by the external switch on the receiver to High, middle or low.

Material: ABS