Cutler-Hammer Through Beam Detector, Series: Comet, Tubular, Right Angle Viewing Sensing Method, 20 ft Sensing Range, 10 ms Response, L1 Switched/NPN Open Collector Output, 20 to 264 VAC/15 to 30 VDC, 300 mA, 1.5 W, 50/60 Hz, Cable, Output ON LED Indicator Light Source, 30 gn over 10 Hz to 2 kHz, 2.55 in L x 0.47 in W x 0.71 in H, NEMA 1/3/4/4X/6/12/13/IP69k, -4 to 158 deg F Operating, Surface Mount