Micro hydro generator, the potential energy conversion of the water into electrical energy mechanical equipment. Specifications: Model: 5V, 12 V, 0-80V (optional) Max Current: 220mA Max Output Voltage: 80V Line Resistance: 10.50.5 Insulation Resistance: 10M Out-let Closed Highest Pressure: 0.6MP Out-let Opening Highest Pressure: 1.2MP Startup Pressure: 0.05 Mpa Axial Play: 0.2-1.0mm Noise: 55dB Life Span: 3000h External Diameter: 20mm / 0.79in Internal Diameter: 13mm / 0.51in Model 80V: DC 0-80V output, generator without voltage regulator circuit, voltage reached 80V, can be directly 10W LED about 3-12V lights, can be directly to the small battery charge, charge current maximum 220mA. Model 5V: DC 5V regulator output, you can charge the phone, you can also charge a lithium battery charge management chip. Model 12 V: DC 12 V voltage regulator output, you can give the 12 V radio power, charge, powersupply to the LED. Item Weight: 87g / 3.07ounce Package Weight: 100g / 3.53ounce Item Size: 86.5 * 49 * 32mm / 3.41 * 1.93 * 1.26in Package Size: 100 * 60 * 50mm / 3.94 * 2.36 * 1.97in Packing List: 1 * Generator