Description:100% Brand new and high qualityYou may be puzzled with the water temperature unless you touch it， now with this device this problem is solvedDirectly installed on the faucet， it can be usedWater flow activates the light sourceThe sensitive faucet light will change colors according to the temperature of water.The color's change remind you the water's temperature.No batteries and external power supply， it will illuminate after water flows down.Offer you a delight & wonderful experience.ABS chroming material， excellent corrosion resistance， durable.Ideal for bathroom or kitchen to make it fantastic. Color:When water temperature is ≤31°C， Green color will show automaticallyWhen water temperature is between 32°C ~ 38°C， Blue color will show automaticallyWhen water temperature is between 39°C ~ 45°C， Red color will show automaticallyWhen water temperature is above 45°C， It will be red and blue flickering togetherSpecifications:Case material: ABSLED emitting color: Green， Blue ， RedColor: SilverPackage includes:LED Faucet x 1