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. With easy to install and safe to use, it is a wonderful temperature control LED water faucet tap for choice. Features - Color: As shown. - Material: ABS. - Size: *1mm (23.5mm, 6 water tap); product size: 35mm(length); 24mm(outer circle). - Temperature control three colors: depending on the color of the water, different ranges of water temperature display different colors. - This small device is suitable for most taps,When water flows down, the LED will light instantly and automatically. It allows you to change of water into a beautiful waterfall of light. - Made of ABS material with excellent corrosion resistance. for bathroom or kitchen, very fantastic and durable. - Easy to install, Helps children avoid scalding water. A device must have for every home. Package list: 1 Faucet