MineralStream™ LED Ionic Shower HeadA colour changing LED shower head that uses water powered LED lights to illuminate your shower water in vibrant colours no batteries required. LED lights are powered entirely by a built in water flow sensor that activates when water passes through. The LEDs automatically turn on when water flows and off when it stops. Colour changes based on water temperature: Green (cold), Blue (warm), Red (hot) providing a visual temperature indicator. Contains two