The colorful lights of the Rainbow Shower Head change in circulation that is?be subjected to the temperature of water.?The?LED lights are powered by the flow of water, no batteries needed. They'll literally?light up?the entire bathroom with super?bright lights?and?amazing colors!?

Features:

• ABS electronickelling material, excellent corrosion resistance, durable.
• No batteries and external power supply, it will illuminate after water flows down.7 colors are displayed automatically when water flow. Main colors are Green, Red & Blue.
• Fits all standard connectors, easy to install.
• 3 colors change with the water temperature variation. Cold water, warm water, hot water show different colors.
• Transforming the stream of water into a beautiful waterfall of light.Brightness is such enough even no other lighting fixtures need.