Hydro Generator Water Turbine Generator 500W Micro Hydroelectric Generator Portable Small Mini Hydro Power Station AC220V For Outdoor Use, Water Flow 2L/S(Water Generator)
Water Turbine Generator, Micro Hydro Generator Water Turbine Generator Micro Hydroelectric Charging Tool 10W High Power Water Size Approx 8.6 4.7 3cm DC 5V / 080V(0-80V)