Ultrasonic Sensors (Reflex-Reflective, Block Style): Type - Photoelectric Convergent Sensor; Sensing Range - 1.7 in (43mm); Voltage - 10-30VDC; Output Mode - Light/Dark Operate; Output Configuration - NPN/PNP; Connection - Cable; Connection Size - 9m (30 ft); Construction - Compact, Threaded Nose; Sensing Position - Side; Response Time - 0.5ms; Beam Type - Visible Red; Material - Thermoplastic; Enclosure Rating NEMA - NEMA 1,2,3,3S,4,4X,6,12,13; Enclosure Rating IEC - IEC IP67; Temperature Rating - -20 to 70degC (-4 to 158degF); Manufacturer Series - Mini-Beam Expert Series