When the system is armed, the detector continuously receives signals from two PIR sensors. If both sensors detect identical motion, MotionCam Outdoor instantly transmits an alarm signal to the hub and ...

Wireless outdoor motion detector with intelligent protection against false alarms. The device operates at low temperatures and is protected against dust and splashes. LISA turns MotionProtect Outdoor ...

(Passive InfraRed sensor) A device used to detect motion by receiving infrared radiation. When a person walks past the sensor, it detects a rapid change of infrared energy and sends a signal.

The most common motion sensor we see in cameras is a passive infrared (PIR) sensor ... a 1080p Blink Outdoor cam. Another ...