Feature: * 100% 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 DIY fun at the same time. * You can convert 360 degrees to any angle and it will automatically measure in the direction of the wind. * LED light generation, low LED power consumption required, fly into your mouth or under the fan is enough to light the LED. * Can be used as a teaching experiment. Great for touching students and children. Details: * Material: Plastic + Metal * Power Generation Mode: DC * Output Voltage: 0.01-5.5V * Output Current: 0.01-100mA * Rated Speed: 100-6000RPM * 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: total diameter 100mm x total height 60mm * Fan blade diameter: 1.95mm (can be strictly matched with 2mm shaft) * Size: approx. 200x190x130mm (finished product) Package content: 1 set of wind generator sets Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.