(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.
Climax Technology VST-873QF PIR motion sensor camera Climax Technology VST-852 Ultra PIR motion sensor camera Climax Technology VST-862EX-F1 outdoor PIR motion sensor camera Climax Technology ...