(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.

Get close enough to this raven and you’ll set off the PIR sensor, which triggers lighting and sound effects, including some spooky glowing and blinking red eyes, general cawing, and of course ...

The LC-104-PIMW from DSC is a dual-technology motion detector that combines passive infrared and microwave detection with pet immunity. It has unique microwave motion sensor module with micro-strip ...

The DDI602U-F1 outdoor motion detectors use two independent passive infrared sensors to detect and confirm movement. The DDI602U-F1 is enhanced with a microwave sensor module which increases the ...