OPTICAL SENSOR, 10-30 VDC, THROUGHBEAM PHOTOELECTRIC SENSOR, RECEIVER, RED LIGHT, LASER CLASS 1, 270 DEGREE POTENTIOMETER, PUSH-PULL SWITCHING OUTPUT, PNP LIGHT, NPN DARK, PUSH-PULL SWITCHING OUTPUT, PNP LIGHT, NPN DARK, NPN LIGHT, PNP DARK, 4 PIN M8 CONNECTOR