Dc Water Flow Pump Turbine, Hydroelectric Power Energy Generators.. Features:  Perfect for Energy Conversion of the Water into Electrical Energy Mechanical Equipment  Directly Used to Charge Small Battery, Mobile Phone, or Power Supply for LED Lights, Etc  Output Current: Max. Greater Than Equal 220mA  Line Resistance: 10.5+/-0.5ohm  Insulation Resistance: 10Mohm (DC100 Meg Ohmmeter)  Closed Outlet Pressure: Max. 0.6Mpa  Opened Outlet Pressure: Max. 1.2Mpa  Starting Water Pressure: 0.05Mpa  Axial Clearance: 0.2-1.0mm  Mechanical Noise: Less Than Equal 55dB  Output Characteristics: Output Voltage Without the Voltage Regulator Circuit is Proportional to the Water Pressure  Installation: Standard Household 1/2 Inch Water Pipe (Outer Diameter:20mm, Inner Diameter:13mm)  Voltage: 5V/12V/80V  Specifications Type: Wind Power Generator Mounting Base: Without Mounting Base Material: Plastic  Size: About 8.8*5.8*3.9cm  Package Contents:  1 * Generator . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.