Photoelectric Sensors (Background Rejection, Tubular Style): Type - Photoelectric Diffuse Reflective Sensor; Sensing Range - 15.7" (400mm); Voltage - 10-30VDC; Output Type - NPN; Connection Type - Cable; Connection Size - 30ft (9m); 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 - -4 deg. to +140 deg. F (-20 deg. to +60 deg. C)