Carlo Gavazzi Diffuse-Reflective Photoelectric Sensor With Adjustable Background Suppression, Io-Link, Range: 0-200mm, Polarity Free Ir Light 850Nm, Power Supply 10-30Vdc, Npn/pnp/push-Pull, N.o., N.c., M8 Plug, 11X31X21mm Housing Stainless Steel, - PD30ETBI20BPA2IO