This VL1A-F18-05NO-ACL2M is an inductive proximity sensor with a M18 mm Nickel plated brass body with a flush mounting design. It has a metal body length of 55 mm and is 2 Wire , AC, NO, with a sensing distance of 5 mm and an 2m PVC cable. It has a power supply of 20~250V and protection rating of IP67. This highly durable sensor is perfect for Industrial Automation applications.