This is a micro hydro generator, converting water potential energy into mechanical electrical energy, which can help you charge various things.Features:1. Micro hydro generator, converting water potential energy into mechanical electrical energy.2.Three types of generators, can be directly charged by small batteries, can charge mobile phones, can charge, power LED lights, etc.3.Appearance:Generator surface clean, no corrosion, the structure is solid.4.Low noiseMechanical noise will not disturb others.5. The output voltage without a voltage regulator isproportional towater pressure.6.Eco-friendly, high efficiency and energy saving.7.Long service lifeand long durability.Specifications:Type: 12V, 0-80V (optional)Output current: max 220MaLine resistance: 10.5 ± 0.5 ΩInsulation resistance: 10MΩMaximum closed pressure: 0.6 MPaHighest opening pressure: 1.2MpaStarting pressure: 0.05 MpaFinal clearance: 0.2-1.0 mmNoise: ≤55dBGenerator life: more than 3000h0-80V Model:DC 0-80V output, generator without voltage regulator circuit, voltage reached 80V, can be directly 10W LED about 3-12V, can be directly to the small battery charge, maximum charging current 220mA.12V Model:DC 12V voltage regulator output, you can give 12V radio power, charging, power to the LED.Item Weight: 90g / 3.17ouncePackage Weight: 110g / 3.88ounceItem Size: 86.5 * 49 * 32mm / 3.41*1.93*1.26inPackage size: 100*60*40mm / 3.94*2.36*1.57inNote:1. The real color of the item may be slightly different from the pictures shown on website.2. Caused by many factors such as brightness of your monitor and light brightness.3. Please allow slight deviation for the measurement data.Packing list:1 * Generator "