Photoelectric Sensors (Background Rejection, Tubular Style): Type - Photoelectric Retroreflective Polarized Sensor; Sensing Range - 12m (39.37ft); Voltage - 12-240VDC; Connection Type - Cable; Connection Size - 1/2" NPT; Construction Style - Tubular, Threaded; Sensing Position - End; Material - Polycarbonate/ABS; Response Time - 20ms/30ms; Beam Type - Visible Light; Enclosure Rating IEC - IEC IP67; Temperature Rating - -25 to 55degC (-13 to 131degF)