Occupancy Sensor, Number of Buttons 2, Sensor Operation Occupancy, Photocell, Vacancy, Compatible with Series Switching Only (universal), Lighting Technology Incandescent, Operating Voltage 120/230/277V AC, Sensing Technology Passive Infrared (PIR), Load Rating @ 120V AC 1,200VA (Primary Relay Fluorescent), 800V (Secondary Relay Fluorescent), 800W (Incandescent), Communication Method Hard Wired, Maximum Coverage Area 2,100 sq ft, Neutral Required No, Color Gray, Nightlight No