Wiring Device-Kellems, AHP1600WRP, Occupancy Sensor, Heavy Duty Watertight, 24 V DC, 33 mA, Passive Infrared Sensor, 1600 sq-ft Coverage, 160 deg Viewing, 8 s Test/8 to 40 min Adaptive Time Delay, NEMA 4X/IP66 Enclosure, Wall Mounting, -40 to 149 deg F, Thermoplastic, Gray, 6.06 in H x 3.49 in W x 2.68 in D Dimensions