3 Change color according to temperature: blue when water temperature is 32 degrees. Green means the water temperature is between 33 and 41 degrees. Red means the water temperature is between 42 and 45 degrees. Flashes red when the temperature is above 46 degrees. PERFECT PERFECT GIFT - As a toy, it keeps kids entertained. Children will wash their hands often there. Good value for money for kids, they love it. They giggled in surprise and delight when they turned on the tap. Add some fun and interest Easy to install. When properly installed, there will be no leaks or leaks anywhere. Automatic power generation does not require other power sources. Giving you joy and a wonderful experience. EXCELLENT CORROSION RESISTANCE - Made of ABS material for excellent corrosion resistance. The surface is precisely polished and can be plated with nickel-chromium layer Hydraulic drive, self-generating, no power supply, safe and environmentally friendly. Sensitive faucet lights change color depending on water temperature.