Water Temperature Color Changing LED Faucet Light

FeaturesFun and functional for the bathroom, kitchen, etc. Temperature-Sensitive - Water glows BLUE when cold; water glows RED when hot The electrodes are electrified when water goes through, and LED turns on Simple to install 2 Universal adapters can be connected to shower head (included) Dimension: 2.57 inch x 1.3 inch (H x D) Note: The temperature of hot water should be below 90 degrees centigrade (194 degrees Fahrenheit).