Photoelectric Sensors (Background Rejection, Tubular Style): Type - Inductive Proximity, General Purpose Sensor; Sensing Range - 1.5 mm; Voltage - 8.2V DC; Wires - Voltage Type - 4-Wire DC; Shielding - Shielded; Output Mode - N.C.; Connection Type - Connector, 4-pin; Connection Size - M12 x 1; Construction Style - Tubular, Threaded; Diameter - 8 mm Dia.; Material - Stainless Steel; Enclosure Rating IEC - IEC IP67; Switching Frequency - 5000 Hz; Temperature Rating - -25 deg C (-13 deg F) to F4100 deg C (212 deg F); Material - Face - Nonmetallic