Photoelectric Sensors (Background Rejection, Tubular Style): Type - Photoelectric Retroreflective Sensor; Sensing Range - 157.48" (4000mm); Voltage - 10-30VDC; Output Mode - Light/Dark Operate; Output Type - PNP; Connection Type - Cable; Connection Size - 6.5ft (2m); Construction Style - Tubular, Threaded; Diameter - 18mm; Sensing Position - End; Material - ABS; Response Time - 1ms; Beam Type - Visible Red; Enclosure Rating IEC - IEC IP67; Temperature Rating - -25 to 55degC (-13 to 131degF)