Wind power is a green source of sustainable energy, and wind generator is a wonderful power supply system designed for home, weather stations, highways, boats and more places. Specifications: Color: White Material: Aluminum Alloy Shell ' Nylon Fiber Blade Blade: S-Type, 5 Blades Rated Voltage: 24V Maximum Power: 400W (Under ideal environment which includes wind speed, temperature, surrounding building and more) Start-up Wind Speed: 2m/s Rated Wind Speed: 12m/s Working Temperature: -40℃~80℃ Item Size: 66 * 120cm / 26.0 * 47.2in Package Size: 68 * 28 * 21cm / 26.8 * 11.0 * 8.3in Package Weight: 9.5kg / 20.94lbs Package List: 1 * Main Generator & Tail 5 * Blade 1 * Nose Cone 1 * Hub 1 * Flanged Housing 1 * Charger Controller 1 * Set of Accessories 1 * User Manual (English)