Remote control doorbellIt is easy to install without wiring.

2.Crystal oscillator doorbell:Jingzhen doorbell, close range, similar products in close use is likely to appear crosstalk. Please try to avoid using it on the same floor.

3.Digital doorbell:Use the same digital doorbell within a range and don't interfere with each other! Adopting the wireless high frequency emission technology, the innovation of the same frequency code and the dialing function, the error rate is only one in 200,000, effectively avoid the neighbors' mutual interference and the trouble caused by the mistake.

5.The first 32Music is optional.

6.Wireless doorbellDIY is strong, but one goes with one, one goes with two, and two goes with two.It could be downstairs and upstairs; The living room has, the inner room also has, close the door also not afraid to hear the bell, not good to have a chance to welcome.