Photoelectric Sensors (Fiber Optic, Block Style): Type - Photoelectric Thru-Beam Sensor Pair; Sensing Range - metric - 20m; Sensing Range - standard - 66 ft.; Voltage - 20-250VAC; Output Mode - Dark Operate; Connection Type - Cable; Connection Size - 2m (6.5ft); Construction Style - Rectangular; Sensing Position - Side; Beam Type - Infrared; Response Time - 16ms On/8ms Off; Sensor Material - PBT, Polyester; Enclosure Rating NEMA - NEMA 6P; Enclosure Rating IEC - IEC IP69K; Temperature Rating - -40 to 70degC (-40 to 158degF); Manufacturer Series - Ez-Beam Q25 Series