Factory drop-ship 16 inch Stainless Steel Square LED Rainfall Shower Head (Without Shower Arm) Special design high quality LED faucet with three beautiful colors. Water flow automatically changes the color with the temperature changed . No Battery and electronic connection needed and the light only works while the faucet is open. There is a micromoto inside the faucet and can supply power to the LED light itself. Mixing light and water , bring a dreamlike world