100% brand new and high quality. This little device fits on most taps and lights up a set of LEDs when you turn on the tap. No batteries and external power supply, it will illuminate after water flows down. Offer you a delight & wonderful experience. Ideal for bathroom or kitchen to make it fantastic. The tap with internal threads，you can install it directly Even the tap with external threads，you can install it with the adapter RGB Color: The sensitive faucet light will change colors according to the temperature of water. The color's change remind you the water's temperature. When Water flows down, the LED will light instantly and automaticaly Water glows Blue when water is Cold (temperature below 32 Centigrade). Water glows Green when water is Warm (temperature is 33 - 41 Centigrade). Water glows Red when water is Hot (temperature above 42 -45 Centigrade). When temperature above 46 Centigrade, Red color will flash instantly Multiple Color: LED lights will be based on the time every 1-3 seconds to change a model, the formation of colorful effect. Single Color: Has always been a color(blue) Specifications: LED Color: RGB, Multiple color, Single color(blue) Material: ABS Internal diameter: 15mm External thread diameter: 24mm Item size:  24 * 35mm Specifications: Offer you a delight & wonderful experience. Ideal for bathroom or kitchen to make it fantastic. Specifications: Package Included: 1 x LED light faucet 1 x Adapter Notes: The RGB one(with temperature sensitive) The Multiplecolor one(without temperature sensitive) The Single one(without temperature sensitive)