IceMoon All-Chrome Water Temperature Color-Changing LED Shower Head,LED Shower Head 3 Colors Changes-Handheld-Shower with Air Turbo Technology-Luxury Light-up Showerhead Detachable shower head wash No batteries, no wire needed Colour changes according to the Temperature and the Pressure of the water running through it. Shower head changes the colour of the water coming out by using built-in LEDs Low flow, water conservation with a unique fun & soothing experience