Aobi Colorful Durable Automatic LED Light Home Kitchen Shower Water Faucet Tap G1/2'' 20.955mm Thread Diameter Ideal for bathroom or kitchen, offers you a romantic & wonderful experience Fit most faucets and the LED will light instantly and automaticaly with color when water flow through the faucet Multiple colors(Approx. 7 colors) rapidly change automatically when water flows. No batteries, power needed,automatically turn on/off when opening/closing the tap.Transforms the stream of water into a beautiful waterfall of light Material: Copper with electroplated surface, excellent corrosion resistance, light-fast bright and durable