This VL1C-NF30N-40NC-LM12 is an inductive proximity sensor with a M30 mm Nickel plated brass body with a Non Flush mounting design. It has a metal body length of 79 mm and is NPN-NC, with a sensing distance of 40 mm and an M12 Connector. It has a power supply of 10-30 VDC and protection rating of IP67. This highly durable sensor is perfect for Industrial Automation applications.