doorbell welcome sensor Two Sound Sensor Horn Welcoming Device Doorbell

Description:

The work voltage of the receiver is AC220V or DC3V Static electricity of the receive is 0.45mA(Ultra-low power ,can extend battery life) Work Frequency is 315MHz  Remote Control /Incept Distance is 40m(in open air) Work Electricity of the Emitter is 15mA(20 times a day by calculating,a high quality battery can use for a year)     LED Indicator is press the send button,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 is 38songs supply for choice, Use the External button "up/down"to finish(the music include Asia,Europe,Americas famous songs,also has 10 songs of Arab Music Concert which the Middle East customers' like)   The function of volume regulate is high,middle,low three volume can choice,Use the External switch(or button)to finish.   

Package included: 

1 x Two Sound Sensor Horn Welcoming Device Doorbell 3 x AG13 botton Batteries

Two Sound Sensor Horn Welcoming Device Doorbell