Photoelectric Sensors (Background Rejection, Tubular Style): Type - Photoelectric Retroreflective, Polarized Sensor; Sensing Range - 4.9ft (1.5m); Voltage - 10-30VDC; Output Type - PNP; Connection Type - Connector, 4-pin Euro Pigtail; Connection Size - M12x1; Construction Style - Tubular, Threaded; Diameter - 12mm; Sensing Position - End; Material - Nickel Plated Brass; Response Time - 500s; Beam Type - Visible Red; Enclosure Rating NEMA - NEMA 6; Enclosure Rating IEC - IEC IP67; Temperature Rating - -20 to 60degC (-4 to 140degF)