Catch the culprit red-handed!Dorm Room CSI: Kangaroo Motion Detectors expose sneaky snack thieves. Protect your stash with this clever trick.

Explore top motion sensors like Kangaroo Motion+Entry and more. Compare features, pros, and pricing for the best security solutions.

What is a Motion Detector and How Does it Work?

A motion detector is an electronic device that uses sensors to detect movement within a designated area. When movement is detected, it triggers a pre-programmed response, such as sounding an alarm, activating a light, or sending an alert.