Features: Micro hydro generator, the potential energy-conversion of the water into electrical energy-mechanical equipment. High efficiency, watercourse designs, ultra-low loss, ultra-low water pressure start Increase the vorticity impeller, greatly improve the efficiency of power generation, and add bearings to reduce wear. Appearance: generator surfaces cleaning, no corrosion, the strong-structure. Applicable to all kinds of intelligent faucets, induction faucets, shower room lighting and sound system, water-heater, solar-energy and other electrical and electronic products. Specifications: Material:ABS Voltage:DC5V Power:0.5W Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Micro Hydro Generator