Perfect for the home, camping, or tailgating; the W03663OF is a 3650 watt electric start dual fuel generator made with you in mind. The Whisper Series muffler runs at a quiet 64dB well below National Park standards. 6 gallon fuel tank provides up to 23hrs of run-time including an ECO mode varying power needed to maximize fuel efficiency. Use the included parallel cables to combine power with any of our inverter generators. You can use the included cables to charge 12 volt batteries in cars, UTV's or other vehicles. Our Max Pro Series 223cc engine runs cool and efficient thanks to the Phoenix Fat Head Block. For maximum portability, the W03663OF weighs 104lbs with a built-in wheel kit and handle. Enjoy quiet power wherever you need. Oil changes are made simple with the quick oil drain. Note: Everything you need is in the box including: oil, funnel, operator's manual, and spark plug wrench.