Feature: 1. Professional wind turbines has a slow startup speed; high wind energy utilization; beautiful appearance; low vibration. 2. The 6‑blade wind turbines adopts a humanized design, which is easy to install, maintain and repair. Used for boats, terraces, cabins or mobile houses charging, etc. 3. This 6 precise blades, combined with optimized design of aerodynamic shape and structure, can increase annual power generation. 4. The generator adopts a permanent magnet rotor alternator with a special stator design, which effectively reduces the drag torsion. 5. This AC permanent magnet generator makes the wind generator and the generator match well and improves the reliability. Specification: Item Type: Professional Wind TurbinesItem Type: Windmill Turbines GeneratorRated Power: 800W Starting Wind Speed: 2.0m / s Rated Wind Speed: 12m / s Survival Wind Speed: 50m / s Number of Blades: 6Pcs Blade Length: Approx. 605mm / 23.8in Blade Material: Nylon fiber Generator: 3-Phase AC permanent magnet synchronous generator Controller System: Electromagnetic/yaw Adjustment Method: Automatic adjustment of wind direction angleWorking Temperature: -40℃-80℃. Package List: 1 x Motor6 x Blade1 x Controller1 x Blade Cover1 x Gasket1 Bag Fastening Kit Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.