wireless digital remote control doorbell

Description

1.Working methods:Wireless digital remote control, Do not interfere with each other ***** work voltage of the receiver:DC3V , Batteries Model:AA R6PÃ�2 3.Static electricity of the receiver≦0.*5mA(Ultra-low power , can extend battery life) 4.Work Frequency ï&frac*4;�**5MHz or **3.*2MHzï&frac*4;�requested by customersï&frac*4;� ***** Control/ Incept Distance≧**0m(in open air) 6.Work Voltage of the Emitterï&frac*4;�*2V(Battery Modelï&frac*4;�*3A*2V) 7.Work Electricity of the Emitter≦*5mA(*0 times a day by calculating, a high quality battery can use for a year) 8.LED Indicatorï&frac*4;�press the send buttonï&frac*4;�LED indicator light will flash, Emitter work and the receiver receive the order and then sendout the beautiful music reminded you the VIP visit, the blue-ray LED of the receiver will regular flash along with the music. ***** sourceï&frac*4;�*8songs supply for choice, Use the External button "up/down"to finish. (the music include Asiaã��Europeã��Americas famous songs, also has *0 songs of Arab Music Concert which the Middle East customers&#**9; like) ***** function of volume regulateï&frac*4;�highã��middleã��low three volume can choiceï&frac*4;�Use the External switch(or button)to finish.