This VL1M-NF12-04NO-2LM12 is an inductive proximity sensor with a M12 full stainless steel body with a Non Flush mounting design. It has a full stainless steel body length of 68 mm and is 2 Wire-NO, with a sensing distance of 4 mm and an M12, 4 pin, male connector. It has a power supply of 10-60 VDC and protection rating of IP67. This highly durable sensor is perfect for Industrial Automation applications.