The BES M18MD-PSC80B-BP02-003 is a heavy-duty, inductive proximity sensor from Balluff. It has an M18 threaded barrel and a flush-mount design. It has a sensitivity of 80mm, a built-in PNP NPN transistor, and an operating voltage of 10-30V DC. The connection type is a 4-pin M12 connector, with a distance to object of 1mm. It has a stainless steel housing, allowing it to withstand harsh environmental conditions. The IP rating is a minimum of IP67 and the temperature range is -25 to +80 °C. It can detect a wide variety of materials including non-ferrous metals, plastic, and wood.