Photoelectric Sensors (Background Rejection, Tubular Style): Type - Capacitive Proximity, General Purpose Sensor; Sensing Range - 10 mm; Voltage - 5.9-22.7 VAC/DC; Wires - Voltage Type - NAMUR; Shielding - Shielded; Output Mode - N.O.; Connection Type - Cable; Connection Size - 2m (6.5 ft); Construction Style - Tubular, Threaded; Diameter - 30 mm Dia.; Material - Stainless Steel; Enclosure Rating IEC - IEC IP67; Switching Frequency - 10 Hz; Temperature Rating - -20 deg C (-4 deg F) to F470 deg C (158 deg F); Material - Face - PBT