Easy to install.Its surface finishing make of nickle.No need other power supply for auto generating electricity system.Mixing light and water ， bring a dreamlike world.This product built-in power generator for small， no battery drive， as long as there is water flow will shine， when turn off the water， the light goes out immediately.Light color can tap according to time 1-2 seconds each change change a color， line into seven colors by become effectThe product has excellent water conservation function， and in the top of the connection， setting water saving and filter net.This LED Water Faucet fits on most taps and LED light will light up when you turn on the tap.7 color are mixed displayed automatically when water flow.Ideal for bathroom or kitchen to make it fantastic.The light is activated by water pressure and turns off automatically with the water.Offer you a delight & wonderful experience.