The Balluff BES01W2 (BES R01ZC-PAC70B-BP00.2-GS04) is a compact rectangular inductive proximity sensor built for precise metal detection, offering a 7 mm sensing distance, PNP NO/NC switching, and flush‑mount installation in a space‑saving 32 × 20 × 8 mm housing. It features a 0.20 m PUR cable with M12x1 male, 4‑pin connector, runs on 10–30 VDC, and delivers fast response with a 150 Hz switching frequency plus IP67 protection for reliable performance on factory floors. The rugged die‑cast zinc body and PA12 sensing face withstand −25…70 °C environments, making the BES01W2 a durable choice for conveyors, packaging lines, and general automation upgrades. For panel/bracket mounting where accurate, contactless sensing is critical, this Balluff sensor provides proven reliability and easy integration with standard M12 cabling.