Perfect for camping, tailgating, or anywhere else you need portable power. EPA Compliant enviroment friendly for outdoor and indoor applications. Engine: 71CC Air-Cooled OHV Gas Engine (2-Stroke). Engine Run Time: 5 Hrs/50% Load.Rated Horsepower: 2.2 HP. Power Type: Gas & Oil Mix. DC Output 12V 8.3A. Fuel Tank Capacity: 4.2 L 1.1 Gal. Gasoline to Oil Ratio: 50:1.