The CONTRINEX DW-AD-713-M18 is an inductive proximity sensor with tubular design, featuring an 18mm diameter stainless steel housing and 50mm body length. This PNP sensor provides normally open (N.O.) output with 20mm sensing distance, non-flush mounting style, and operates at 200Hz switching frequency. Rated IP68/IP69K for robust protection, it comes with pigtail connection.