Photoelectric Sensors (Background Rejection, Tubular Style): Type - Photoelectric Diffuse Reflective Sensor; Sensing Range - 11.8" (300mm); Voltage - 10-30VDC; Output Mode - Light/Dark Operate; Output Type - PNP; Connection Type - Connector, 4-pin Micro DC; Connection Size - M12x1; Construction Style - Tubular, Threaded; Diameter - 18mm; Sensing Position - End; Material - Plastic; Response Time - 2.5ms; Beam Type - Infrared; Enclosure Rating IEC - IEC IP67; Temperature Rating - -25 to 55degC (-13 to 131degF)