4xWireless Motion Sensor Entry Door Bell Chime Alert Alarm Ding Dong Doorway

This is Electronic Sensor Detector Welcome Chime Speak. You can put it to any places of your room.
This product is excellent for used at home, office, shop or any places need to welcome the guests or the customers. Built-in anti-interference system, avoid false ringing and miscommunication among different users.


Features:
1.Light control
2.Infrared induction
3.Sounds language:in Chinese(Hello,welcome and Dingdong)
4.Bites rat-a-tat you to welcome the presence well
5.Fitted with three 1.5V batteries on the 7th, the guests hung on the door edge device will switch out to like the voice file access when there are guests, the guests before the issue to automatically select the voice
6.Light control range of 3 - 7 meters, it is recommended that adequate use of light, Infrared control range of 8 meters, when the voice weak, please replace the in time





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