It will provide 24-hour heat and motion detector to protect your family's ... The driveway alarm is using the most advanced pyroelectric infrared (PIR) technology to detect the heat source of ...

Unique clip-on pet pattern mask. Adjustable 1, 2 and 3-pulse counter virtually eliminates false alarms. Sealed optical chamber protects sensor from insects and air currents. Temperature compensation ...

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

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 ... It also has advanced ASIC-based electronics height installation calibration free 2-way ...

[Brad] was asked by his Sister to design a motion-based alarm that would help her catch ... What he came up with is a light-sensitive motion sensor that uses very little power.

(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.