Infrared detection controller, adopt infrared detection way to control load switch.
The pir sensor switch activates On when a body in motion enters the field of view with an On time hold that is adjustable from 1 to 10 minutes after motion has ceased.
PIR (Passive Infrared) sensor has an effective range of 16 feet and diminished sensing of a moving human body to 26 feet. The field of view of the PIR Dome Lens is 60 degrees nominal.