The BALLUFF BES 516-105-SA2-05 is an inductive proximity sensor with 5 mm detection range, operating at 10-30 VDC with 500 Hz switching frequency. This PNP output sensor features M18 threaded housing, 5-meter cable length, and offers both NO/NC configurations. Designed for flush mounting, it operates in temperatures ranging from -25 to +120°C with IP67 protection rating.