Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Retroreflective; Sensing Range - 30ft (9m); Voltage Range - 10-30VDC; Output Mode - Light/Dark Operate; Output Configuration - NPN/PNP; Connection Type - Connector, 4-pin Micro DC; Connection Size - 1/2-20UNF; Construction Style - Compact, Threaded Nose; Sensing Position - Side; Response Time - 1ms; Beam Type - Infrared; Material - Polysulphone; Enclosure Rating IEC - IEC IP69K; Temperature Rating - -30 to 70degC (-22 to 158degF)