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

A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors.

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 ...

System OverviewThis PIR model is an indoor/outdoor dual detection camera which uses both video and infrared sensor to achieve accurate motion detection functionality. It also supports active ...

When a person walks past the sensor, it detects a rapid change of infrared energy and sends a signal. PIR ... motion sensors that either bounce back a radar signal or transmit light to a ...

Sensify is a new technology that can turn Zigbee switches, bulbs, and plugs into sensors with a firmware update. This could ...

As an example, [Circuit Valley] has an IKEA Vallhorn motion sensor for a teardown, it’s as you might expect, a passive infrared sensor (PIR) sensor coupled with a Zigbee interface. Inside the ...

Each light has 4 channels for different lighting zones allowing you to add up to 50 lights to each channel within 150 feet. It comes with a PIR motion sensor that will automatically activate when ...