Turn on the fun in your shower just by turning on the water, the LED lights light up and set the mood. They will even change colors automatically based on the water temperature. All this with no batteries, everything is self-powered by a built-in dynamo that takes advantage of the water pressure to create the energy to light the bulbs.1.Precision ceramic disc valve core, precision machining of seamless ceramic alloy chip, high temperature resistance, leakage resistance, freeze crack resistance.2.The water outlet is smooth, filtering impurities and foreign matters to ensure healthy water quality.3.The top spray is made of 304 stainless steel, which does not contain lead. It is safer, healthier and environmentally friendly materials. It refuses secondary pollution of water sources and ensures the safety of domestic water.4.16 inch and 20 inch large top spray optional, intensive rain technology, enjoy 360-degree surround natural spa.5.Three-color LED lights are optional, self-generating, no external power required, enjoy fantastic shower.6.Multi-layer plating, durable stainless and no easy to get rusty.7.Multifunctional shower overhead spray, multiple shower modes, switch as you like, eliminating fatigue.