The BOS 18KW-PA-1QC-S4-C is a retroreflective photoelectric sensor with 10-30 VDC operating voltage, featuring PNP output and NO/NC switching modes. It offers a sensing range of 0-3 meters, equipped with an M12 male 4-pin connector and LED light source. The sensor operates within a temperature range of -25 to +55°C and has an IP67 protection rating.