NO BATTERY NEEDEDWhen water flows, the LED lights up immediately and automatically. The LED shower head is powered by running water, no batteries or troublesome wires run. Trust the hydraulic drive and generate your own power, safe and environmentally friendly.HIGH PRESSURE AND WATER SAVINGRevolutionary micro-nozzle technology makes the water outlet smaller and denser, increases the water flow velocity and thus increases the water pressure. The water is fine and uniform and leaves the skin soft and pleasant. Multi-layer filters are designed to remove contaminants etc.EASY TO INSTALLEasy and quick installation. No hardware required. It can be installed in minutes by simply screwing the pipe together. If you use the led shower head, you can turn off the bathroom lights, not only feel the comfortable and romantic atmosphere, but also save more energy. durable, beautiful appearance, high quality and durable ABS plastic. which have strong anti-rust performance and long service life.7 COLORSThe color changes automatically and creates a special atmosphere in your bathroom. After a long day, you can enjoy a pleasant bath. Also, the colorful light can make your kids love bathing. (The color is not affected by water temperature). Note: The data are all manual measurement, please allow 1-3cm error, due to the difference in light and display, there will be some color difference, depending on the physical item received.