Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Retroreflective; Sensing Range - 16.4ft (5m); Voltage Range - 10-30VDC; Output Mode - Light/Dark Operate; Output Configuration - NPN/PNP; Connection Type - Connector, 4-pin Euro; Connection Size - M12x1; Construction Style - Compact, Threaded Nose 18mm; Sensing Position - End; Response Time - 1ms; Material - Thermoplastic; Enclosure Rating NEMA - NEMA 4X,6P; Enclosure Rating IEC - IEC IP67; Temperature Rating - -20 to 70degC (-4 to 158degF)