Feature: 100% brand new and high quality. ABS chroming material, excellent corrosion resistance, durable. Transforming the stream of water into a beautiful waterfall of light. The light is activated by water pressure and turns off automatically with the water. Ideal for bathroom or kitchen to make it fantastic. Blue Light and 7 Colors do not affected by water temperature. 1 Color :blue light,the faucet will light in blue once there is water flowing through. 3 Colors:The color's change remind you the water's temperature. 1)Water glows blue when water is cold (temperature below 31C ) 2)Water glows green when water is warm (temperature is 32C 43C) 3)Water glows red when water is hot (temperature above 44-50C) 4)Water flash red when temperature above 50C. When the water temperature over 51C, red flash to warn you avoid being scalded. 7 Colors:Many Colors will be light at random at the same time once there is water flowing through. (Notice: Please note that noise is normal during the working process.) (Note: Please allow 1-3mm error due to manual measurement, and slight color difference caused by light and screen.)