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In the cold days,we often want to use the hot water.To know the temperature,we can only feel the water by hands.That makes us be scalded easily.
Install the "Temperature Ring" on the faucet,it changes colors when the temperature changes,which makes us know the temperature quickly and directly.Moreover,it has a screen,which will tells the approximate temperature.
And it's adjustable device ensure that it can adapt to any kinds of faucets.