Great for running the RV while out on the road . or for keeping essential appliances going during a power outage . the Sportsman 4 .000 Watt Dual Fuel Generator has the power and flexibility to handle the task. This generator runs on either unleaded gasoline or propane gas . so you can use whichever fuel is more easily available or affordable at the moment. With the Sportsman Dual Fuel Generator . you get the long lasting . clean burning advantage of propane gas . plus the familiar and easy to find benefits of unleaded gasoline. With 4 .000 peak watts and 3 .500 rated watts the Sportsman Dual Fuel Generator is a powerful generator than can handle the needs of most contractors . homeowners and recreational activities. Equipped with four 120 Volt outlets . a single 120 Volt RV outlet . and a 12 Volt DC outlet for battery charging . this generator can handle almost everything you need for camping or tailgating. With a 50 percent load . the Sportsman 4 .000 Watt Dual Fuel Generator can run for 10 hours on a full tank of gasoline (3.6 gallons) and 12 hours with a full 20 lbs. LP cylinder (the common gas grill type . not included). A 5 foot propane fuel hose with a regulator is included for your added convenience. The 7 HP engine is surprisingly quiet; it runs at less than 69 Db. The Sportsman 4 .000 Watt Dual Fuel Generator is ideal for anyone who needs affordable . flexible . and portable power. Unfortunately . this model cannot be converted to operate with natural gas.