150 Degree Line Voltage Dual Technology Occupancy Wall Mount SensorThe Enerlites MDW V is a dual technology wall mounted motion sensor that operates lights using a combination of passive infrared (PIR) and ultrasonic technologies. The motion sensor features a 150 field of view to provide up to 900 sq. ft. of PIR coverage area and 800 1200 sq. ft. of ultrasonic 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