Rockwell Automation 42CA-R1MNA1-D4

18 mm Cylindrical Sensor,18 mm Cylindrical,Transmitted Beam Receiver,Infrared,Manually Adjustable,NPN,DC Complementary LO/DO,4 Pin Micro Quick Disconnect,Plastic,18mm Mount,1.00 ms,3 mm Minimum Sensing Distance,16000 mm Operating Distance,16000 mm Sensing Distance,4 pin DC Micro