150 Degree Line Voltage PIR Occupancy Wall Mount SensorThe Enerlites MPW V is a wall mounted motion sensor that operates lights using passive infrared (PIR) technology. The motion sensor features a 150 field of view to provide up to 900 sq. ft. of coverage area. The sensor operates lights based on the occupancy and ambient light levels detected in the area. The sensor turns lights ON automatically when motion is detected, and turns them OFF after no motion has been detected for the pre selected time