Photoelectric Sensors (Background Rejection, Tubular Style): Type - Inductive Proximity, General Purpose Sensor; Sensing Range - 12 mm; Voltage - 10-30V DC; Wires - Voltage Type - 3-Wire DC; Shielding - Unshielded; Output Mode - N.C.; Connection Type - Connector, 4-pin Euro; Connection Size - M12x1; Construction Style - Tubular, Threaded; Diameter - 18 mm Dia.; Material - Stainless Steel; Enclosure Rating IEC - IEC IP67; Switching Frequency - 2000 Hz; Load Current - max - 200 mA; Temperature Rating - -25 deg C (-13 deg F) to F470 deg C (158 deg F); Material - Face - Nonmetallic