The Champion Power Equipment 100307 3500W dual fuel RV ready portable generator operates off gas or propane straight out of the box (propane hose included). on gasoline the generator will produce 4375 starting & 3500 running, & on propane 3950 starting & 3150 running. The generator makes a great addition to your RV as well as a cost effective & convenient solution for power outages or other emergency situations. It comes travel-ready with a standard 30A RV outlet with enough power to start & run a 15,000 BTU RV air conditioner. This unit also makes a great solution for backup power during an emergency & will power the essential items you need in a power outage – lights, sump pump, refrigerator, modem/router, furnace blower, fan, TV/DVD, computer, smartphone/tablet charger, etc. Since propane has such long stable shelf life you don’t need to worry about having fresh gasoline on hand during an emergency. The 3500W dual fuel portable generator operates at 68 dba from 23′. & has a run time of up to 9 hours on a full tank of gasoline or 10.5 hours on a 20 lb. Propane tank at 50% load. The generator features guard, a built-in surge protector which protects your appliances from any spikes in voltage above a safe Threshold, as well as cold start technology which optimizes the generator to start easily in cold weather. The generator is portable & comes in a durable steel frame. The 3500W dual fuel portable generator comes with a patented fuel selector switch that allows for quick & safe switching between fuel sources. It also comes with 120V 30A RV (TT-30R), 120V 30A locking (L5-30R) & two 120V 20A household outlets (5-20R). the Intelli gauge (volts, Hz, hours) allows you to easily Monitor power output & track maintenance intervals.