12,000-Watt gasoline-powered electric start generator with GFCI Outlets. The generator is powered by A-iPower’s 459cc powerful engine. Its size and power output make the SUA12000E the perfect generator for construction sites or back-up power for your home during emergencies. It is combined with an efficient, high output alternator that utilizes the same design and technology found in more expensive brand name products. With over 25 years of experience and reliability, this design provides the greatest peak watt large heavy-duty all-steel construction fuel tank provides up to 9 hours of run time at 50% load Effortless Move. Large 9.5in never-flat wheels designed for heavier duty loads and improved traction and mobility over rough terrain, Ultimate on the job mobility GFCI Protected Outlets provides added protection and safety under damp condition Built-in DC Adapter Plug.