LevitonĀ® Ceiling Mount Occupancy Sensors, Line Voltage, 120/230/277 VAC, 60 to 30 mA, 1/4 hp, Multi-Technology (PIR/Ultrasonic) Sensor, 2000 sq-ft Coverage, 180 deg Viewing, 30 sec to 30 min Delay, Tungsten Lamp, 50/60 Hz Response, Automatic On-Off/Manual On Control Output, Ceiling Mount, 0 to 40 deg C, Plastic, White, 4.8 in Dia x 2.39 in H