The DuroMax Hybrid dual fuel XP12000EH 12,000W generator offers the maximum versatility & will have you prepared for any power outages. 12,ooow of power will provide you with the comfort to weather any storm! this dual-fuel, gas or propane fuel source generator can run-up to 20 hours on propane which will give you the longest run time & minimize maintenance from gasoline emissions. Nicknamed the "beast", this unit provides power normally found in home standby units but in a portable package! it will help you to power essential appliances & even comfort technologies during unexpected outages to keep your family comfortable & to live life uninterrupted. Available as either gasoline or gasoline/propane powered, the 12,000W beast generators offer the most versatility & savings all in one package! this workhorse generator is powered by a 457cc DuroMax OHV engine that feeds the fully loaded power panel which allows the user to pull-up to the maximum 12,000W of power. Also on the power panel are individual Breakers to prevent overloading & keep everything safe. The noise reducing muffler also utilizes a spark arrestor making it EPA approved for safe use in U.S. National parks. DuroMax generators are perfect for any application where portable power is needed; whether it's because of a natural disaster or needed for camping in the woods, DuroMax will deliver. Cannot ship to California – non-CARB approved.