Product features:
1. This product has built-in small electric power generation device, which does not need to be driven by batteries. As long as there is water flow, it will light up. After turning off the water source, the light will go out immediately. The luminous color can change according to the temperature change of water,/automatically change with time/monochromatic optional.
2. Colorful gradient (principle of three primary colors) the luminous color of the faucet can change one color every 1-2 seconds according to the time, forming the effect of colorful gradual change.
3. The color changes with the water temperature. When the water flow temperature is lower than 32 degrees, blue is displayed. When the water flow temperature is between 33 degrees and 41 degrees, green is displayed. When the water flow temperature is between 42 degrees and 45 degrees. When the water flow temperature is higher than 46 degrees, red flashes.

4. Monochrome LED light color: Available in blue, green and red for you to choose.