Photoelectric Sensor,Cylindrical Style,Transmitted Beam Emitter,20 20 m Sensing Range,Infrared LED,Threaded Barrel,18 mm Barrel,4 Pin Micro M12 Integral Quick Disconnect Connector,Without Sensitivity Adjustment,42CS Photoelectric Sensor,Cylindrical Style,Transmitted Beam Emitter,20 20 m Sensing Range,Infrared LED,Threaded Barrel,18 mm Barrel,4 Pin Micro M12 Integral Quick Disconnect Connector,Without Sensitivity Adjustment,42CS