For sale: new shower head with temperature-sensitive LED lighting. The LEDs are powered by the water flow, so no batteries or external power source are needed. The light color automatically changes based on the water temperature to indicate whether the water is cold, warm, or hot. Blue indicates temperatures below 26°C, green indicates between 26°C and 35°C, and red indicates temperatures above 35°C. This head provides an enjoyable and comfortable shower experience, in addition to being a visual temperature indicator.