No batteries and external power supply, it will illuminate after water flows down.Automatic light switching.7 colors are displayed automatically when water flow.Main colors are Green, Red & Blue.ABS material, excellent corrosion resistance, durable.Transforming the stream of water into a beautiful

No batteries and external power supply, it will illuminate after water flows down.Automatic light switching.7 colors are displayed automatically when water flow.Main colors are Green, Red & Blue.ABS material, excellent corrosion resistance, durable.Transforming the stream of water into a beautiful waterfall of light.Fits all standard connectors, easy to install.Offer you a delight bath & a wonderful experience.