Infrared Sensor Electronic Guest Welcome Doorbell(White) Filter-Silicone / Sticker Auto-sleep energy saving model

Auto-sleep energy saving model

40HQ: 2323 cartons * 400 pcs = 929200 pcs

5) 800/1600 dpi can adjust the speed of cursor

Multi-functional: Specially designed for repairing

4 RGB lighting modes can be selected

Infrared Sensor Electronic Guest Welcome Doorbell(White) Filter-Silicone / Sticker Auto-sleep energy saving model1. Microcomputer technology and automatic human sensitivity 2. Energy saving and easy to use 3. Special sound device, Strong sensitivity, non mislead and anti interference technology make it effectively detect he movement of the human in the detecting area of all environments 4. AC DC operation meets different needs. It is suitable for dwelling houses, tier buildings, multiple apartments, hotels, factories, hospitals or any other places. It does not