The Braun No touch thermometer provides non-invasive comfort, so you can take clinically accurate readings without waking your sleeping child. Clinical research shows the definition of fever changes as newborns grow into children and children grow into adults* Simply use the Age Precision button to select the appropriate age setting, take a temperature and the color-coded display will glow green, yellow, or red to help you understand the temperature reading. The Braun No touch thermometer can be used to measure the temperature on the forehead, an object, or liquid measurement, great to use for bathwater or food. It’s easy to use and measures instantly. The unique on-screen positioning system confirms the proper distance for taking a temperature, and gentle guidance light directs you for accurate aiming. It is safe and hygienic. Recommended for infants, children, and adults. Fahrenheit or Celsius readings.