PALADIA 7-Color Changing LED Glow Water Faucet Shower Stream Tap This little device fits on most taps and lights up a set of LEDs when you turn on the tap. The light is activated by water pressure and turns off automatically with the water. 7 color are mixed displayed automatically when water flow. ABS chroming material, excellent corrosion resistance, durable. Transforming the stream of water into a beautiful waterfall of light.