Wireless 100% battery powered doorbell can work anywhere a home or in office. No electricity required. Both transmitter and receiver are battery powered.
- The work voltage of the receiver: DC4.5V, Batteries Model: AAA*3
- Work Frequency :315MHz/433MHz
- Remote Control /Incept Distance>100m (in open air)
- Work Voltage of the Emitter:12V(Battery Model:23A 12V)
- Work Electricity of the Emitter<15mA (20 times a day by calculating, a high quality battery can use for a year)
- LED Indicator:press the send button,LED indicator light will flash, Emitter work and the receiver receive the order and then send out the beautiful music reminded you the VIP visit, the blue-ray LED of the receiver will regular flash along with the music.
- Music source:36 songs supply for choice, Use the External button “up/down “to finish.
- Volume of the bell is adjustable, the volume regulate:25dB-80dB four volume, use the External switch to choose
- Waterproof transmitter, which will save worry about rainy days and snow or other humid environments
- Digital Code of frequency will avoid interferences between similar products