Photoelectric Sensors (Reflex-Reflective, Block Style): Type - Photoelectric Convergent Sensor; Sensing Range - 2 in. (50mm); Voltage - 10-30VDC; Output Mode - Light/Dark Operate; Output Configuration - NPN; Connection Type - Cable; Connection Size - 9m (30 ft); Construction Style - Miniature Rectangular; Sensing Position - Side; Beam Type - Visible Red; Response Time - 1ms; Material - ABS; Enclosure Rating NEMA - NEMA 1,2,3,3S,4,4X,6,12,13; Enclosure Rating IEC - IEC IP67; Temperature Rating - -25 to 55degC (-13 to 131degF)