Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Diffuse Reflective; Sensing Range - 8" (203mm); Voltage Range - 10-30VDC; Output Configuration - NPN; Connection Type - Cable; Connection Size - 2m (6.5 ft); Construction Style - Rectangular, Threaded Nose; Sensing Position - Side; Response Time - 1.5ms; Beam Type - Infrared; Material - PBT/ABS; Enclosure Rating NEMA - NEMA 6; Enclosure Rating IEC - IEC IP65; Temperature Rating - -20 to 55 deg C (-4 to 131 deg F)