This VL1B-F18-08NO-LM12 is an inductive proximity sensor with a M18 Nickel plated brass body with a flush mounting design. It has a metal body length of 79 mm and is 2 wire-NO, with a sensing distance of 8 mm and an M12 Connector , 4 pins , Male type. It has a power supply of 10~60V DC and protection rating of IP67. This highly durable sensor is perfect for Industrial Automation applications.