The airforce 4.1-5.0 kw turbine is independently-tested and ce-certified, utilities gearless, direct drive architecture, unique permanent magnet generator, and integrated sma inverter to provide best-in-class wind energy capture, carries industry standard 5-year warranty. Product characteristics: high quality with low price; high efficiency(cp-0.43); breeze start up-1.8m/s; long lifetime; free of maintenance; light weight, easy installation; heavy wind resist(suvival wind speed-60m/s), low noisy; anti-rust, anti-corruption; damp-proof, water-proof, sand-proof. Gross weight:190kg;packing volume:0.84 cbm z
