Duracell DS10R1i, 1000 Running Watts/1200 Starting Watts, Gas Powered Portable Inverter 2-1/2 Hp ohv 63.1-cc Duracell engine tested for 250 plus hour life 1200-Watt; max 1000-watt running 0.66-Gallon fuel tank with run time of 5 hours at 1/2 load Noise level is 62-db at 7 meters Non-CARB Compliant/Not For Sale In California