Tempa(dot)DOT™ features a dot sensor matrix with temperature-sensitive dots that change color from tan to blue at specific temperatures, based on the melting point of the chemical mixture in each dot. Each dot shifts color at an increment of 0.2°F or 0.1°C higher than the previous dot. Body temperature is displayed on a numerical scale. Tempa(dot)DOT B thermometers are sensitive to environmental conditions.
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