Polarized-retroreflective mode sensor with visible red LED for use at distances of up to 6 m M12 threaded 4-pin Euro-style QD connection for use with mating cordset (not included) Potentiometer-adjustable tuning for versatility 10-30 VDC supply voltage, bipolar (NPN and PNP) output Meets IP 67 standard, CSA certified and CE compliant