This VL1B-NF6.5-04NO-2M is an inductive proximity sensor with a Ø6.5 mm stainless steel body with a Non Flush mounting design. It has a metal body length of 45 mm and is 2 wire-NO, with a sensing distance of 4 mm and an 4m, PVC cable/2m ; 2 wire*0.25mm2. It has a power supply of 10~60V DC and protection rating of IP67. This highly durable sensor is perfect for Industrial Automation applications.