Occupancy Sensor, Number of Buttons 2, Sensor Operation 0 to 10V Dimming, Occupancy, Photocell, Vacancy, Compatible with Series 0-10V Dimming Ballast (universal), Operating Voltage 120/230/277V AC, Sensing Technology Passive Infrared (PIR), Load Rating @ 120V AC Low voltage sensor (24VDC), power pack switches lighting load, Requires power pack for 24VDC input voltage, Communication Method Hard Wired, Maximum Coverage Area 1,100 sq ft, Neutral Required No, Color White, Nightlight Yes