... Fast delivery Working Condition: 1) The magnetic levitation technology, the turbine rotation without any mechanical friction, More ... no noise. 3) Low start wind speed (1 m / s wind speed start), anti-typhoon, anti-corrosion ... than 20 years, the use of magnetic levitation technology, no mechanical friction, long life 3000w wind ... , lighting, electric fan, charger etc. M 3KW maglev wind turbine for house