Are you looking for a professional, yet affordable wind turbine generator Are you in search of a sturdy, trustworthy tool that can do multiple works at once If yes, look no further Our professional wind turbine generator must meet your needs. It is one of the best choices for you.Features- Color: Assorted color.- Material: Plastic.- Size: 1.65X1.60X1.60cm/0.65X0.63X0.63 inch.- Output voltage: 0.01-15V.- Output current: 0.001-0.2A.- Wind speed: 3m/s.- Rated turning speed: 3000rpm.- Low energy consumption: The wind energy utilization rate is very high, no matter where the wind is, it can be driven by the wind.- This kind of science model is a good teaching kit for wind power and water power generating.- Practical: It is an excellent teaching tool to cultivate childrens practical ability and interest.- The generator is low-speed and non-blocking, with an efficiency of 98%- Wind speeds at 30 hours/km for 2-5 LEDs, 50-10 speeds/km for 5-10 LEDs.