Photoelectric Sensors (Background Rejection, Tubular Style): Type - Inductive Proximity, Ferrous Metal Only Sensor; Sensing Range - 2 mm; Voltage - 20-250V AC, 20-300V DC; Wires - Voltage Type - 2-Wire AC/DC; Shielding - Shielded; Output Mode - N.O.; Connection Type - Cable; Connection Size - 2m (6.5 ft); Construction Style - Tubular, Threaded; Diameter - 12 mm Dia.; Material - Stainless Steel; Enclosure Rating IEC - IEC IP67; Switching Frequency - 30 Hz; Load Current - max - 8-200 mA; Temperature Rating - -25 deg C (-13 deg F) to F470 deg C (158 deg F); Material - Face - Stainless steel