Photoelectric Sensors (Background Rejection, Tubular Style): Type - Inductive Proximity, General Purpose Sensor; Sensing Range - 1 mm; Voltage - 10-30V DC; Wires - Voltage Type - 3-Wire DC; Shielding - Shielded; Output Mode - N.O. (NPN); Connection Type - Cable; Connection Size - 7m (22.9 ft); Construction Style - Tubular, Unthreaded; Diameter - 4 mm Dia.; Material - Stainless Steel; Enclosure Rating IEC - IEC IP67; Switching Frequency - 3000 Hz; Load Current - max - 100 mA; Temperature Rating - -25 deg C (-13 deg F) to F470 deg C (158 deg F); Material - Face - Nonmetallic