❤ Installation method: 1. It is installed in the same way as the ordinary faucet, please refer to the attached manual for details. 2. The LED faucet has a built-in motor. Before installing the faucet, be sure to remove impurities in the water pipe to prevent impurities from blocking the hydraulic engine. 3. Not suitable for low pressure. But normal ordinary household water pressure can be used, if there are any problems encountered in use, please contact us in time to help you solve! 4. If the water pressure is too low, it will affect the light display ❤ The principle of using water pressure to generate electricity: The principle of LED waterfall faucet hair electricity is to use the rotating force of water to drive the motor inside to generate micro electricity. There is a pulley at the water inlet, and the pulley rotates to drive the motor, thereby generating micro electricity to make the light bright ❤ The advantages of taps that use water pressure to generate electricity: Compared with power generation equipment with external battery box, it is more convenient and environmentally friendly, does not need to replace the battery, is easy to install, and can save a lot of batteries. ❤ Life and maintenance: Under normal circumstances, ordinary households can be used for 2-5 years, but if the motor is burned out or blocked, the light will stop working. So before installing the faucet, be sure to remove impurities in the water pipe to prevent impurities from blocking the hydraulic pressure engine. ❤ Product accessories list: Faucet body O-RINGS pANEL Panel pad Rubber Gasket Fixed gasket Fixed screw Fixed nut Plastic wrench Hose