The Smart Ear thermometer quickly and accurately takes temperature readings and establishes a body temperature history in the uGrow app to easily share with your doctor. Keeping your child still long enough to take an accurate reading can be difficult. The Smart Ear thermometer addresses this problem by being specially designed for speed and ease. Just one press of the button and you will have a reading in 2 seconds. With a clear LCD display you can instantly see if the temperature reading is at normal or raised levels. The light ring turns red for a temperature of 38.0C (100.4F) and higher. No matter whether you work in Celsius or Fahrenheit, this thermometer will give you the results you need in the scale you understand.