Muti-color Modes: The shower head is powered by water temperature sensor (no need battery). The LED lights can change to 3 different colors with water temperature changing Filtration System: The shower head uses bio-active stones to provide eco-pure water filtration which can remove harmful substances. It can also purify water and adjust water PH value, make water quality in weak alkaline High Pressure & Water Saving: The micro nozzle technology makes the outlet holes smaller and denser, increasing the speed and pressure of water flow so that can save up to 30% water Superb Material: By Using eco-friendly ABS material and high-density filter, the surface of the shower head can resist corrosion and rust, which is easy to detach and clean Whole Package & After-sale Service: Accessories are all included. For any quality-related problems and invoice requirements, please feel free to contact us, and a satisfying solution will be provided in 24 hours