Mounting Base:Without Mounting Base Shaft Material:iron is_customized:Yes Model Number:WInd Turbine SS 1000W Type:Wind Power Generator Origin:Mainland China Certification:CE Generator:Three phase permanent magnet suspension motor Shaft type:horizontal axis wind turbine generator Safe wind speed (m/s):≤40m/s Blade material:Fiberglass Generator protection grade:IP54 voltage:12v 24v 48v Use:Homeuse,Boat,Street lamp,Mountain,Cold area 1000W Wind Turbine Generator 12V 24V 48V With MPPT Charge Controller Power Magnetic Dynamo Free Energy Windmill Home Use Remind: Hello！Dear buyer friend. There are many products in the store. If you can't find the product you want, you can contact the customer service, and he will recommend the product you need. Similarly, if you need an off grid system or an on grid system, you can also contact customer service, who will provide you with system details and quotes. You can contact customer service if you have any questions or needs. Thanks! Specifitions: MPPT BOOST WIND CONTROLLER(optional) This controller has basic control and protect functions, and provide low voltage charging function. the battery could be charged under low speed wind. Pls click below pictures to get the specification of MPPT wind controller: Off Grid Inverter(optional)