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Input Voltage....................................................................110-277V, 50-60Hz Input Wattage................................................................................. 3.5 Watts Lamps Operated................................................10W-70W 4-pin Rapid Start Compact Lamps including Twin, Triple, Quad Tube, 2D & Straight Emergency Operation................. (1) 10W-70W or (2) 10W-32W 90 minutes Initial Illumination...................................................................... 1300 lumens (2) lamps 650 lumens each lamp Operating Temp............................................................................0° to 55° C Battery..............................................................................24 Hour Recharge 7-10 Year Life Expectancy Weight.............................................................................................. 5.6 lbs. Approval..........................................................................UL and CUL Listed