Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Background Cutoff; Cutoff - 1.97 in (50mm) Cutoff; Voltage Range - 10-30VDC; Output Mode - Light/Dark Operate; Connection Type - Cable; Connection Size - 2m (6.5 ft); Construction Style - Rectangular, Threaded Base; Sensing Position - Side; Optimum Range - 0.39"-1.97" (10-50mm); Response Time - 0.5 ms; Beam Type - Infrared; Material - ABS; Enclosure Rating IEC - IEC IP67 / IP69K; Temperature Rating - -4 deg. to +140 deg. F (-20 deg. to +60 deg. C)