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 ...

Our Top PicksMost Versatile Motion Detection CamerasLorexKnown for their well-built, well-designed equipment, Lorex leads the ...

Climax Technology launches new-generation Indoor and Outdoor PIR Motion Sensor Camera, VST-892/VST-892EX Series, both of which adopt revolutionary SF1 technology. SF1 technology endows compatible ...

(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.