Features Good teaching tool of wind power generation. Can also be used to make a scientific model. Can work in any direction of the wind. Small and very good for demonstration. Can work in light wind. Description: This vertical wind turbine can operate regardless of wind direction. Compared with the traditional horizontal wind generator, the vertical generator can work with light wind, but it can generate a little less electricity in strong winds. Specifications: Rated power: 0.55W Output voltage: 0.01 V ~ 5.5 V. Output current: 0.01mA to 100mA Fan diameter (installed): 100 mm Pallet quantity: 4 Rated wind speed: 5.5 m/s Rated speed: 100~6000rpm Motor diameter: 24.5 mm Motor height: 34.2 mm Weight: 60g (approx) Package includes: 1 x vertical wind turbine Tips: 1. Please allow 1-3mm error due to manual measurement. Thank you for your understanding. 2. Monitors are not calibrated same, item colour displayed in photos may be slightly different from the real object. Please take the real one as standard. Package List