This VL1VA-NF12-420-0.1-4-3LM12 is an inductive proximity sensor with a M12 Nickel plated brass body with a Non Flush mounting design. It has a metal body length of 68 mm and is 4-20 mA output, with a sensing distance of 0.1~4 mm and an M12 Connector , 4 pins , Male type. It has a power supply of 18-30 VDC and protection rating of IP67. This highly durable sensor is perfect for Industrial Automation applications.