Photoelectric Sensors (Background Rejection, Tubular Style): Type - Inductive Proximity, General Purpose Sensor; Sensing Range - 1.5 mm; Voltage - 15-30V DC; Wires - Voltage Type - 4-Wire DC; Shielding - Shielded; Output Mode - ANALOG; Connection Type - Connector, 4-pin Euro; Connection Size - M12x1; Construction Style - Tubular, Threaded; Diameter - 12 mm Dia.; Material - Stainless Steel; Enclosure Rating IEC - IEC IP67; Switching Frequency - 200 Hz; Load Current - max - 20 mA; Temperature Rating - 14 deg. to 158 deg. F (-10 deg. to +70 deg. C); Material - Face - Nonmetallic