Leviton PR180-1LI Decora 500W Incandescent, 400VA, Passive Infrared Wall Switch Occupancy Sensor, Single Pole and 3-Way, Ivory 180 degrees field of view and 400 sq. ft. of coverage is perfect for use in large rooms, home offices and a variety of light commercial and residential applications Ambient light override prevents these devices from switching lights ON when there is ample natural sunlight Manual override is available for use as a standard ON/OFF switch Adjustable delayed OFF time interval (15 seconds to 15 minutes) Compatible with Decora Plus screwless wallplates and Decora wallplates