This digital shower thermometer monitors the water temperature to help prevent burns. The indicator light on the thermometer glows blue when the water is less than 89.6 F, then turns green when it reaches 91.4 F. If it flashes red, the temperature is above 107.6 F. Large LED display for Fahrenheit or Celsius. Installs easily between the shower head and hose. Uses 2 button-cell batteries (included). 2 3/4"L.
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