Features:ABS chroming material， excellent corrosion resistance， durable.There are 3 kinds of faucet1. The sensitive faucet light will change colors according to the temperature of water.The color\\\'s change remind you the water\\\'s temperature.Water flash red when temperature above 50°CWater glows Red when water is Hot (temperature above 42°C).Water glows Green when water is Warm (temperature is 33°C - 41°C).Water glows Blue when water is Cold (temperature below 32°C).2. 7 color are mixed displayed automatically when water flow.Main colors are Green， Red & Blue3. Single Color: Green， Red & BlueNo batteries and external power supply， it will illuminate after water flows down.Offer you a delight & wonderful experience.Fits on most taps and lights up a set of LEDs when you turn onthe tap.Transforming the stream of water into a beautiful waterfall of light.Ideal for bathroom or kitchen to make it fantastic.Get the CE & RoHS certificates.Direction for use:Firstly， take off net from tap screw thread.Secondly， install LED faucet light screw thread.Thirdly， usage of adapter screw thread inside universal adapter.（adapter screw thread not included）Note:Automatic generation without batteriesSpecifications:LED emitting color: Green， Red & BlueInternal diameter: 15mmExternal thread diameter: 22mmItem size: 35 * 24 * 24mmItem weight: 20gPackage weight: 29gColor: SilverPacking content:1 x LED light faucet