This VL1A-NF30-25NO-AC/DCLM12 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 79mm and is 2 Wire , AC/DC, NO, with a sensing distance of 25 mm and an M12 Connector , 4 pins , Male type. It has a power supply of 20~250V AC/DC and protection rating of IP67. This highly durable sensor is perfect for Industrial Automation applications.