CARB EPA Compliant 212 cc 4-stroke OHV engine,4500 starting watts and 3500 running watts [Low Noise] At a distance of 23 feet, the decibel level of ECO mode is 58 decibels, which is almost equal to the sound made by a normal conversation or a running dishwasher. At this noise level, there is little to no disturbance to the user or anyone nearby.Extremely quiet operation comparable to the sound of a normal conversation according to the US Department of Health and Human Services with two 5" wheel and foldable handle to storage and move easily Designed to mirror a pure sine wave,Stable Pure Sine Wave; Ideal for Powering Sensitive Electronics such as TV, Scan Tools, Medical Devices [Extra-long run time] while using Eco mode you can extend your run times.2.3gallon oil will Run for approximately 17 hours at 25% load & 8.5 hours at 50% load . [Power more appliances] 1 x 120V 30 amp RV outlet, 2 x 120V 20 amp outlets, 2 x 5V DC USB outlets. Support all types of standard electrical equipment. Electric start with power dial start/run/stop - three operation settings integrated into one simple-to-use dial (battery included)