Precision Multiple Controls Swivel Mount Photocontrol, Wire-In, Series: Lumatrol ST, 208/277 VAC, 2000 W Tungsten, 1800 VA Ballast, UNC Contact Form, 15 s Timing, 6 in Lead Wire, Photocell Sensor, 1 to 5 fc Turn On/3 to 15 fc Turn Off Sensitivity, Environmental Conditions: -40 to 158 deg F Temperature, Threaded Mounting, Lexan®, 2 in H x 1-1/2 in W x 1 in D Dimensions