Built-in sensitive vibration sensor
Alarm triggered after window vibration by an intruder
The perfect device to detect intruder break-in via the window of your house, apartment, store, office, R.V. or dorm room

Back Self Adhesive
UV Protected and Waterproof
Size: 90mm x 57mm (3.54 inch X 2.24 inch)

available for baby activity monitor and yard security detecting for pet;Garage and Warehouse security Keeper. Four cameras without the wifi/network connection,easy connect, enough for every corners detecting.(Not suggest put it ourside without any cover,it’s better for indoor)
The digital wireless connection,don’t need internet,more safe to avoid hacker’s network surveillance. One wire power cable to charge the four pcs of cameras and monitor to keep continuously work,don’t include the battery.
Supporting night version,catch every moment you want to and up to 32GB TF card to store pictures and audio. Take memory card out to your pc to review.