0.01V-15V Dual-Use Wind & Hydroelectric Generator Wind Turbine Hydro Generator Hydroelectric Teaching Science Kit brand new and high quality Material: Plastic Color: See pictures Power generation methods: AC Output voltage: 0.01 v to 15 v Output current: 0.001 A to 0.001 A Size: See the picture Retail Packages Quantity:1Pc Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!