Ultrasonic Sensors (Reflex-Reflective, Tubular Style): Type - Inductive Proximity, General Purpose Sensor; Sensing Range - 8 mm; Wiring, Volts - 2-Wire DC; Voltage - 8.2V DC; Shielding - Unshielded; Connection - Cable; Connection Size - 2m (6.5 ft); Output Mode - NAMUR, N.C.; Diameter - 18 mm Dia.; Construction - Tubular, Threaded; Beam Type - 300 Hz; Material - PBT Nonmetallic; Enclosure Rating IEC - IEC IP67; Temperature Rating - -25 deg C (-13 deg F) - 100 deg C (212 deg F); Additional Information - Face Material: PBT; Manufacturer Series - Classic