The Sportsman Propane 4000 Watt Portable Generator can power common household appliances and power tools. It is equipped with two -120 volt outlets and a 12 volt DC outlet for battery charging. A generator of this size is ideal for small camping or tailgating parties or to have on hand in case you need some temporary power in an emergency situation. It has a 7 HP 4-Stroke OHV Recoil Start engine. Its affordable but well thought out with full featured options such as Automatic Low Oil Shutdown and Automatic Voltage Regulator. It boasts an engine run time of 10 hours at 50-percent on a common 20-pound (gas grill type) cylinder (LPG cylinder not included). A 5-feet propane fuel hose with a regulator is included for your added convenience. The engine is surprisingly quiet; it runs at less than 68-decibel. This is a great generator for anyone who needs affordable power. Propane has several distinct advantages over gasoline generators. Propane burns cleaner than gas engines. Carbon monoxide emissions run up to 40-percent lower. Propane will not degrade, so you can keep several propane tanks on hand for emergencies and store them for an unlimited amount of time. Since this generator runs on propane you never have to worry about the fuel going bad or having the carburetor getting fouled due to degenerated gasoline – a common problem with gasoline powered small engines CARB Approved.