WattStopper® Ceiling Mount Occupancy Sensor, Low Voltage, 24 VDC, 20 mA, Passive Infrared Sensor, 1200 sq-ft Coverage, 360 deg Viewing, 5 to 30 min Delay, LED Lamp, Automatic On-Off Control Output, Ceiling Mount, 32 to 131 deg F, White, 4.5 in Dia x 1.02 in D