... .Suitable for family9. Low vibrationCharacteristics:1.Low peed generator, use rare earth permanent magnet materials, strong overloading ... benefits.Technical Parameter: Wind wheel diameter (m)4.0Length of bladem2.0Number of blade3Blade materialGFRPRotation directionclockwiseSweep ... , InverterSuggested batteries capacity 12V100AH 8pieces or 12V200AH 4 piecesCan supply power forice box,TV,washing machine ...