Photoelectric Sensors (Thru-Beam, Tubular Style Light Source): Sensor Type - Photoelectric Thru-Beam Source; Voltage - 10-30VDC; Diameter - 12.7mm; Construction Style - Tubular, Threaded; Sensing Position - End; Material - Aluminum; Beam Type - Visible Red; Enclosure Rating NEMA - NEMA 6; Enclosure Rating IEC - IEC IP67; Temperature Rating - 0 to 40degC (32 to 104degF); Manufacturer Series - M12 Series