The item is a novelty and practical 3 colors changing LED light water faucet tap, which will illuminate after water flows down, no external batteries and power supply needed. With temperature sensor design, the water faucet light will change colors according to the water temperature, and the light color’s change can help remind you the water’s temperature. Feature - Color: Silver. - Material: copper. - Size: 7.50X2.80X2.80cm/2.95X1.10X1.10in - Made of material for lasting use. - Fits on most taps and LED light will light up when you . - Adding fun and joyful atmosphere to your home - The light is activated by water pressure and turns off automatically with the water. - When the water temperature is below , the light color is blue. When the water temperature is between to 40 degrees, the right shows green. When the water temperature is between 41 to 45 degrees, it will display the red. When the water temperature is higher than 45 degrees, the light flashing red. - A great present for your friend and family. Package list: 1 tap