The BOS 26K-PA-1IE-S4-C is a diffuse photoelectric sensor from BALLUFF's 26K series, featuring a detection range of 150-600 mm. It operates with 10-30 VDC power supply, 200 mA current, and offers PNP output with NO/NC switching capability. The sensor comes with an M12 male 4-pin connector and utilizes infrared light with background suppression technology.