Intermatic IOS DOV NL WH Commercial Grade In Wall PIR Occupancy Sensor with Nightlight, White 3504 specially treated for corrosion resistance specially treated for corrosion resistance With flow rates ranging from 33 gpm to 110 gpm 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 Ballast Fluorescent Ranges 800 VA Category Occupancy Vacancy Sensors Web Electronic Ballast LED 800 VA Has Nightlight Yes 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) 1200 PIR Lens 2 Coverage Pattern (degrees) 180 Resistive Heater 10 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