A-B Rockwell Automation 42KB-T1LPEQ-Y3. Micro Rectangular Sensor, Side Through Hole, Transmitted Beam Pair, Infrared, 5000.00 EA , Manually Adjustable, PNP, DC LO or DO Selectable, 3 Pin Pico M8 QD on Cable, Plastic, End View, Side through hole, IP67, NEMA 6P