Ultrasonic Sensors (Reflex-Reflective, Block Style): Type - Photoelectric Diffuse Reflective Sensor; Sensing Range - 3.3ft (1m); Voltage - 24-240VAC, 12-24VDC; Output Mode - Light/Dark Operate; Output Configuration - SPST Solid State Switch; Connection - Terminals; Connection Size - 1/2-14NPSM; Construction - Compact, Rectangular; Sensing Position - Side; Response Time - 4ms; Beam Type - Infrared; Material - ABS; Enclosure Rating NEMA - NEMA 1,2,3,3S,4,4X,6,6P,12,13; Enclosure Rating IEC - IEC IP67; Temperature Rating - -25 to 55degC (-13 to 131degF); Manufacturer Series - Q85 Series