Age adjustable for the whole family. Because the definition of fever changes with age. Clinical research shows the definition of fever changes with age. What is normal body temperature in a 4-year-old may be regarded as fever in a newborn? Braun Age Precision™ thermometer helps you interpret temperature based on age, in 3 simple steps: 1. Press button to select the age 2. Take measurement 3. Assess the temperature with colour coded display (Age Precision™ is optimized for underarm measurement) *Refers to the shortest reading time achieved in clinical studies **± 0.1 °C between 35.5 °C and 42 °C Click “From the manufacturer” below for more information about product features and how-to-use videos.