Generators descriptions We use high-quality raw materials, all materials are very suitable for the product, please rest assured to buy. 10w Water Pump - Mini Hydro Generator Turbine Flow Hydraulic Conversion 12v. 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 Specifications: Line Resistance: 10.5+/-0.5ohm Insulation Resistance: 10Mohm (DC100 Megohmmeter) 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 to 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) Colour:Transparent + Yellow Material: Plastic Size: About 8.8*5.8*3.9cm Package Included: 1 * Generator. Products number : SOMONO88444