Low start-up wind , easily nerate electricity through wind. Adopts quality motor, high efficiency and low noise, for long time use. The adopts strong nylon fiber with special surface spraying treatment, excellent in corrosion and oxidation resistance. Double bearing is thick and not easy to shake when the machine is running. Good waterproof and sand resistance performance, can safely works in environment of -30℃-60℃., Manufacturer: SOYWIM