Proximity Sensors (Inductive, Tubular Style): Type - Inductive Proximity, General Purpose Sensor; Sensing Range - 2 mm; Voltage Range - 10-30V DC; Wires - Voltage Type - 3-Wire DC; Shielding - Shielded; Output Type - N.O. (NPN); Connection Type - Cable; Connection Size - 2m (6.5 ft); Construction - Tubular, Threaded; Diameter - 6.5 mm Dia.; Material - Body - Nickel Plated Brass; Material - Face - Nonmetallic; Enclosure Rating IEC - IEC IP67; Switching Frequency - 3000 Hz; Load Current - max - 100 mA; Temperature Rating - -25 deg C (-13 deg F)-70 deg C (158 deg F)