This VL1VA-F18-010-1-4-3LM12 is an inductive proximity sensor with a M18 Nickel plated brass body with a flush mounting design. It has a metal body length of 90 mm and is 0-10 VDC output, with a sensing distance of 1~4 mm and an M12, 4 pin, male connector. It has a power supply of 18-30 VDC and protection rating of IP67. This highly durable sensor is perfect for Industrial Automation applications.