The Champion Power Equipment DUAL FUEL Portable Generator is a 3800 watts rated and 4750 watts max output powering solution for your RV. It features various outlets – a 120V duplex outlet, a TT30 amp RV outlet and a 120V Twistlock. It operates on dual fuel and can work with LP/Propane or Gasoline, and is powered by a Champion 224cc OHV engine, which has a cast iron sleeve. CARB approved, it can work for over 8 hours on a 3.4 Gal full tank of gas or 5.5 hours on a 5 gal propane tank at 50% load. It also comes with a 2 year limited warranty.