Feature： * brand new and high quality *Complete set of mini wind turbine model kits. *You need to assemble the wind generator by yourself, so you can enjoy the DIY fun at the same time. *You can convert 360 degrees at any angle, and it will automatically face the wind direction. *Generation LED light, low power consumption of LED required, fly in Your mouth or under a fan is enough to light up the LED. *It can be used as a teaching experiment. Excellent for getting students and children to touch. Details： *Material: Plastic + Metal *Power Generation Mode: DC *Output Voltage: 0.01-5.5V *Output Current: 0.01-100mA *Rated speed: 100-6000 rpm *Motor Diameter: 24.5mm *Motor Height: 34.2mm (including front and rear bearing housings) *Output Shaft Diameter: 2.0mm *Output Shaft Length: 13.5mm *Fan blade installed size: overall diameter 100mm x overall height 60mm *Fan blade diameter: 1.95mm (can be closely matched with 2mm shaft) *Size: Approx. 200 x 190 x 130 mm (finished product) Package Contents: 1 Set of wind generator kits Benafini products are simple and stylish in design, suitable for various occasions, showing your personality and taste. When purchasing, please choose the appropriate color, style and quantity according to your preferences and needs. If you have any questions or suggestions about the product, please feel free to communicate with us, we will serve you wholeheartedly. Your satisfaction is our greatest motivation, you are welcome to leave us valuable comments and feedback. For damage or loss caused during transportation, we will provide free reissue or refund service.