IWOOT - Stuff you really, really wantThe LED Showerhead will add a touch of fun to your daily shower. Easy to attach to your showerhead, the light will change colour according to the temperature of the water. Hot water will be red; warm, pink and violet; cool, blue and dark blue; and cold, green.As well as being relaxing and therapeutic, the lights will also help you to determine whether the water is too hot or cold for you. Also, the LEDs are powered by the force of the water, meaning there's no need for batteries. - L.M.Features:LED ShowerheadEasy to attachColour changes based on the temperature of the waterPowered by the force of the waterNo need for batteriesRelaxing and therapeuticChrome finish that's easy to cleanCompletely safe