Portable hydro turbine / Application of Faucet

We have several ways to save water already, but, in reality, there are difficulties in always saving water in our daily lives. That’s because there is a certain minimum quantity of water, which a person should use, even though we try to save water.
Therefore, Through minimization of water power generation, It can regenerate water into the secondary energy, not just wasting flowing water.
The charged electricity can be used through a power bank to improve its usage in modern daily lives, utilizing electronics a lot.