Ultrasonic Sensors (Reflex-Reflective, Tubular Style): Type - Inductive Proximity, General Purpose Sensor; Sensing Range - 1.5 mm; Wiring, Volts - 3-Wire DC; Voltage - 10-60V DC; Shielding - Shielded; Connection - Connector, 3-pin; Connection Size - M8 x 1; Output Mode - N.O. (NPN); Diameter - 6.5 mm Dia.; Construction - Tubular, Unthreaded; Beam Type - 2500 Hz; Beam Configuration - 100 mA; Material - Nonmetallic; Enclosure Rating IEC - IEC IP67; Temperature Rating - -25 deg C (-13 deg F) - 70 deg C (158 deg F); Manufacturer Series - Classic