Suitable for office, shop, house, entertainment sites,etc. 4 stroke OHV engine, low fuel consumption & pollution & noise. 1. A compact and ... Economical, low fuel consumption for 8 hour running without refueling. 4. Overload protection for safe running. 5. Easy maintenance with brushless ... ignition. 6. 1kw-5.5kw for stable voltage.7. 4-stroke, high efficient gasoline engine, Honda or other brand.