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

Sealed optical chamber protects sensor from insects and air currents. Temperature compensation for optimum catch performance and false alarm protection. 30 V/m advanced RF protection up to 1 GHz ...

(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.

With solar efficiency, dual motion detection, and simple setup, the S2 is designed for eco-conscious, hassle-free security.

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 ...

this DIY motion trigger for a DSLR is a quick and easy build, and probably loads more fun. The BOM on [Jeremy S Cook]’s build is extremely short – just a PIR sensor and an optoisolator ...

It comes with a PIR motion sensor that will automatically activate when it detects motion within 30 feet. Equipped with 3 D-cell batteries you can install them in big bathrooms, porches ...