Liroyal Colorful LED Light Water Stream Faucet Tap 7 Colour Activated By Water Pressure (Colorful LED Light) Pack of 10 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. Main colors are Green, Red & Blue. ABS chroming material, excellent corrosion resistance, durable. Transforming the stream of water into a beautiful waterfall of light.