Temperature controlled Faucet Light

GadgetThis uber-cool attachment, changes the color of the water flowing through it, depending on the temperature of the water.More from the site:

New Temperature Controlled Faucet Light changes changes color based upon the water temperature. It’s “blue” when the water is cold or simply turned “on.” When the temperature reaches 89? F, it changes to “red,” alerting you that the water is getting “hot”!Link (Thanks, Big Max)