Check the listing for details. Mini Stable Waterflow Pump Generator Hydroelectric Micro Hydro Tap E0O6. Condition: New. Listed at 12.89 USD. Micro hydro generator, the potential energy conversion of the water into electrical energy mechanical equipment. Features: Generator surface cleaning appearance, no corrosion, the structure is strong. The mechanical noise is less than 55dB. Three different kinds of generator can , small , powersupply for LED lights, etc.. Micro hydro generator, the potential energy conversion of the water into electrical energy mechanical equipment. The output voltage with no voltage regulator is proportional to the water pressure. Specifications: Model: 5V, 12 V, 0-80V (optional) Max Current: &;220mA Max Output Voltage: 80V Line Resistance: 10.5±0.5Ω Insulation Resistance: 10MΩ Out-let Closed Highest Pressure: 0.6MP Out-let Opening Highest Pressure: 1.2MP Startup Pressure: 0.05 Mpa Axial : 0.2-1.0mm Noise: ≤55dB Span: &;3000h External Diameter: 20mm / 0.79in Internal Diameter: 13mm / 0.51in Model 80V: 0-80V output, generator without voltage regulator circuit, voltage reached 80V, can be directly 10W about 3- lights, can be directly to the small , current maximum 220mA. Model 5V: 5V regulator output, you can the , you can also a lithium management chip. Model 12 V: 12 V voltage regulator output, you can give the 12 V , , powersupply to the . 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