PHOTO SQ BGS PL M18 NPN NO+NC,CAB, DIFFUSE-REFLECTIVE PHOTOELECTRIC SENSOR WITH BACKGROUND SUPPRESSION, ADJUSTABLE SENSITIVITY, RANGE: 0-200MM, POLARITY FREE RED LIGHT 625NM, POWER SUPPLY 10-30VDC, NPN OUTPUT, N.O. AND N.C., LIGHT AND DARK SWITCHING, CABL