COLOR CHANGING - This LED shower head is hydro powered, no battery is needed, there are 7 colors which will change automatically without being influenced by water temperature. Immerse yourself in a shower experience in a dream world. HIGH PRESSURE - Micro-nozzle technology makes outlet holes smaller and denser, increasing the speed of water flow, thus increasing the water pressure. The water is fine dense and uniform that will take the skin feels soft and comfortable. FILTERING FUNCTION - The built-in ionic shower head Built-in mineral ball and negative ion stones for double filtration, eliminates the heavy metals and impurities. Improves water quality and a healthier life. WATER SAVING - The pressure shower head uses laser perforation technology to save up to 30% water. Although it saves water, it maintains water pressure, which helps eliminate fatigue in body and mind, will not affect the shower experience. < p>EASY TO INSTALL - This hand held shower head is international universal interface, just screw it to any standard shower hose, more convenient to install. (Pipe and bracket are not included)." Note: The data is all manual measurement, please allow 1 - 3cm error, due to the difference of light and weather. display, there will be a certain color difference, depending on the physical object received.