About this item LED LIGHT: This LED water faucet changes according to real-time temperature every 1-3 seconds to provide variable lighting effect and colorful. This product has a small electric power generation device, which does not need to be powered by a battery. It emits light whenever there is a stream of water. When the water source is turned off, the lamp turns off immediately. The light color can change with temperature 3 COLORFUL COLORS- 3 colors (blue, green, red) of the LED water faucet will show automatically when the water is flowing, without batteries or external power supply. It displays blue when the water temperature is below 32 degrees, green when the temperature is between 33 and 41 degrees, red when the temperature is between 42 and 45 degrees, and when the temperature is above at 46. The screen flashes red when the temperature is set. EASY TO USE- The light color change reminds you of the water temperature and it is very convenient and comfortable to use. WONDERFUL EXPERIENCE - Easy to install and it turns on when you turn on the faucet, giving you wonderful enjoyment and experience. WIDE USAGE- Turns the flow of water into a beautiful waterfall of light. Perfect for use in the bathroom or kitchen.