Photoelectric Sensors (Reflex-Reflective, Block Style): Type - Photoelectric Diffuse Reflective Sensor; Sensing Range - 17.7" (450mm); Voltage - 10-30VDC; Output Mode - Light/Dark Operate; Connection Type - Cable; Connection Size - 2m (6.5 ft); Construction Style - Compact, Threaded Base; Sensing Position - Side; Beam Type - Infrared; Response Time - 1ms; Material - ABS; Enclosure Rating IEC - IEC IP67; Temperature Rating - -25 to 55degC (-13 to 131degF)