?四川金7乐组六实战技巧:PIR Sensor Doorbell - 四川金7乐软件    
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四川金7乐组六实战技巧:PIR Sensor Doorbell

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四川金7乐软件 www.isgjin.com.cn

PIR Sensor Doorbell


1)Adapter Interface with LED light;

2)Detection angle is 90/ 120 degrees; 

3)Infrared sensor monitor;

4)Both welcome and alarm function;

5)Infrared detecting distance is 6-8m;

6) Operated by 3 AA batteries;

7)Melodies:

a. Hello Welcome Chinese Version 

b. Hello welcome English Version 

c. 32 Musics for choosing

8)Both AC and DC are available.





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yiroka is a professional wireless doorbell manufacturer in shenzhen,China. Battery free doorbell is the latest new  production with Kinetic technology. Copyright ? 2017 yiroka