... 60Hz, Double voltage 2,500W peak current, 2,300W running current EPA CARB Features:1) 110-120V/220-240V, ... 60Hz, 2,500W peak current, 2,300W running current2) 6.5HP 4-stroke B168F-D OHV engine3) ... 4.2-gallon fuel tank13) Up to 12 hours running time per full tank14) Lowest fuel consumption rate: ... : 690 x 475 x 455mm18) Fuel gauge, indicator light, AC voltmeter19) Oil alert ,short oil shut down 2 ...