The Balluff BOS0179 (BOS 23K-NU-RH10-S4) is a robust diffuse photoelectric sensor designed for reliable object detection with background suppression. Featuring a compact 23 x 51 x 52.4 mm housing made of PC and ABS with a PMMA sensing surface, it uses a red LED light source and triangulation principle for precise detection over a range of 3 to 800 mm. This sensor offers NPN NO/NC outputs, light-on/dark-on functionality, and connects via a 4-pin M12 male connector. Operating at 10–30 VDC and rated IP for washdown environments, it ensures durability and consistent performance in demanding industrial automation applications.