SWEON LED Faucet light Colorful Change Automatic Bathroom Kitchen Faucets Tap 7 Colors Jump Change No batteries, no wire needed. LED light will light up when you turn on the tap. 7 colors are mixed displayed automatically when water flow. Automatically change one color every 2~5 seconds. The faucet light will change colors randomly with time. Easy to Install. This LED water faucet fits on most taps ABS chroming material, excellent corrosion resistance, durable.