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Linkage video
Resolution: 3MP ultra-clear
Flip the top switch inside the box
Model: CYL D150T4H
Infrared Sensor Electronic Guest Welcome Doorbell(White) Type-Signal Boosters Linkage video1. 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
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