Temperature Controlled Faucet Light  Imprint Area: 3/4"W x 1 1/4"H

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Red Light = Hot WaterBlue Light = Cold Water Faucet Light 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"! Works on most USA faucets and includes "universal adaptors" for 95% coverage.
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