3Pk High Grade Sensitive Tap Light 7-Color LED Light Changing Faucet Water Powered Temperature Sensor FEATURES: – With easy installation, anyone can quickly upgrade that dull sink with mood enhancing temperature sensitive colors in seconds ï¾ a fun and useful kitchen accessory! – The luminescent color can change according to the temperature of the water, it changes automatically with time / monochrome. – The product has excellent water conservation function, and connected at the tap with the water-saving filter. – The faucet is made of ABS, so recommend that wrap PTFE tape on the thread when installing the faucet. Please take care not to force too much during the installation. (ABS material is easily broken if you force too much.) COLOR ACCORDING TO WATER TEMPERATURE: Blue ï¾ 32 degrees Green ï¾ between 33 to 41 degrees Red ï¾ between 42 to 45 degrees Flashing Red ï¾ 46 degrees NOTE: For the LED water faucet to light up, it requires a certain water pressure. And it wonï¾t light up if the water pressure is too low.