Ai Power SUA12000EC 12000-Watt Gas Powered Generator W/Electric Start (CARB), Red 12, 000 starting watts/9, 000 running watts Epa, CARB for 50 States High performance alternator provides greater peak wattage which allows motor driven appliances and tools to operate Simultaneously. Multiple front panel outlets. Ergonomically angled compact control panel with multiple outlets with weather proof cover provides easy power connections and added protection from the environment. Powerful 459cc/16Hp engine. It's only single cylinder even for its big size. It delivers just power. Single cylinder, air-cooled, 4-stroke engine with electric start