Battery free doorbell

12 May 2017

1. Self-power doorbell
2.Transmitter no need battery
3.58melodies for Chosen
4.4 Grade volume adjusting
5.IP55 waterproof
6.Long operating range
7.LED Indicator
8.Memory function 
9.Simple installation 
10.Receiver plug into a regular socket

Building 44,Xinxing Ind. Pk
Citianpu ,Gongming
Shenzhen, Guangming New District

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