Dual Fuel – Operate your 3400-watt portable generator right out of the box on either gasoline or propane, plus the unit holds 0.6-quarts of oil (recommended 10W-30) and has a low oil shut-off sensor Convenient Electric Start with 3-Position Ignition Switch – Battery included, plus Quick Touch Panel allows you to access all your controls in one spot.Noise Level :59 dBA at 23 feet. Frequency 60 Hz Ultra-Quiet Operation – 59 dBA is perfect for RVs, tailgating, your next project or backup power for your home, featuring 3400 starting watts and 3100 running watts with up to 7.5 hours run time on gasoline Clean Power for Sensitive Electronics – RV Ready with a 120V 30A RV, plus two 120V 20A household outlets with clean electricity (less than 3% THD) and 12V DC outlet with dual USB adapter Champion Support – Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts