DIY Spiral Breeze Wind Turbine Model Permanent Magnet Generator Hand Crank Family or outdoor lighting charging emergency, DIY interest stimulation, etcThe generator can generate electricity by wind or by hand (buy according to your choice). The output voltage can be about 12 to 24 volts. Drive four 5-watt LED bulbs, which are very bright The diameter of the generator shaft is 8mm. Package: Generator kit+bulb+blade / generator kit+bulb+crank handleOn Jun 5, 2023 at 00:37:10 PDT, seller added the following information: