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.) [Interface size] M24*1mm (23.5mm is a 6-point faucet) fine thread external thread, suitable for the faucet faucet thread inside, if the faucet faucet is threaded outside, you need to match the adapter. The adapter size is 22mm to 24mm [product size] length 35mm outer circle 24mm