Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Retroreflective Polarized; Sensing Range - 11.5ft (3.5m); Voltage Range - 10-30VDC; Output Mode - Light/Dark Operate; Output Configuration - PNP; Connection Type - Connector, 4-pin Euro Pigtail; Connection Size - M12x1; Construction Style - Compact, Threaded Nose 18mm; Sensing Position - End; Response Time - 1ms; Material - ABS; Enclosure Rating NEMA - NEMA 6; Enclosure Rating IEC - IEC IP67; Temperature Rating - -20 to 60degC (-4 to 140degF)