The Q23SN6LPQ is a polarized retroreflective photoelectric sensor from Banner Engineering's Q23 series, featuring a visible red LED with a detection range of 100mm to 2m. It operates on a 10-30 VDC power supply and provides complementary NPN output. The sensor comes with a 4-pin M8 pigtail QD connector and a 6-inch cable (46440). This model has been discontinued by the manufacturer.