Photoelectric Sensors (Background Rejection, Tubular Style): Type - Capacitive Proximity, General Purpose Sensor; Sensing Range - 8 mm; Voltage - 10-30V AC/DC; Wires - Voltage Type - 3 Wire DC; Shielding - Shielded; Output Mode - N.O. (NPN); Connection Type - Cable; Connection Size - 2m (6.5 ft); Construction Style - Tubular, Threaded; Diameter - 18 mm Dia.; Material - Stainless Steel; Enclosure Rating IEC - IEC IP67; Switching Frequency - 100 Hz; Load Current - max - 300 mA; Temperature Rating - -30 deg C (-22 deg F) to F470 deg C (158 deg F); Material - Face - PBT