Quick Sense(Qs-WR04):12V 24V PIR Sensor LED Motion Sensor Switch Motion Power Supply Voltage: DC12-24V Delay Time: 1-10 min(adjustable). Induction distance: 8m Infrared detection controller, adopt infrared detection way to control load switch The 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.