Intermatic IOS DSR WH Commercial Grade Self Adaptive In Wall PIR Occupancy Sensor, No Neutral Required, White A12500 Type 3R Metal Enclosure Type 3R Metal Enclosure LED Sensor Switch Type Occupancy Sensor Technology PIR (Passive Infrared) Adjustable Light Level Max Daylight Adjustable Light Level Min 30 lux Adjustable Time Delay Max 30 min Adjustable Time Delay Min 15 sec Ballast Fluorescent 800 VA Ballast Fluorescent Ranges 800 VA Category Occupancy Vacancy Sensors Web Includes Wall Plate Yes Inductive 800 VA Inductive Load Ratings Ranges 800 VA Maximum Mounting Height (ft) 4 ft Motor (Three Phase) 1 4 HP Motor Three Phase Ranges 1 4 HP PIR Coverage Area (sq ft) 980 PIR Lens 2 Coverage Pattern (degrees) 150 Resistive Heater 12 A Tungsten (Incandescent) Range(s) 800 W Tungsten Incandescent 800 W Operating Temperature Max (°C) 55 Operating Temperature Max (°F) 131 Operating Temperature Min (°C) 0 Operating Temperature Min (°F) 32 Product Depth (in) 1 The passive infrared sensors work by detecting the difference between heat emitted from the human body in motion and the background space Zero crossing Adjustable Light Level Max Daylight Adjustable Light Level Min 30 lux Adjustable Time Delay Max 30 min Adjustable Time Delay Min 15 sec Ballast Fluorescent 800 VA