This VL1A-F12-04NO-AC/DC2M is an inductive proximity sensor with a M12 mm Nickel plated brass body with a flush mounting design. It has a metal body length of 60 mm and is 2 Wire , AC/DC, NO, with a sensing distance of 4 mm and an 2m PVC cable. It has a power supply of 20~250V AC/DC and protection rating of IP67. This highly durable sensor is perfect for Industrial Automation applications.