All one tech Color Changing LED Shower Head Very environmental and Easy to use. And This little device fits on most taps and lights up Ideal for bathroom or kitchen to make it fantastic. Transforming the stream of water into a beautiful waterfall of light. Shower Head  3-color-changing Water Temperature Sensor. It changes from Blue when it's cold to green for warm and red when it gets hot. This little device fits on most taps and lights uprenders the chlorine in your shower water harmlessABS chroming material, excellent corrosion resistance, durable. Micro Nozzle mechanism saves water by as much as 30%