Infrared Sensor Electronic Guest Welcome Doorbell(White) Filter-Silicone / Sticker Retractable anti-skid baffle design to

Retractable anti-skid baffle design to prevent the computer from slipping

Display device: Graphics

User manure x 1

40HQ: 2323 cartons * 400 pcs = 929200 pcs

Multi-functional: Specially designed for repairing

Infrared Sensor Electronic Guest Welcome Doorbell(White) Filter-Silicone / Sticker Retractable anti-skid baffle design to1. 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