The Omron TH839S digital ear thermometer comes as a saviour to get near-perfect body temperatures without causing any discomfort to your baby. It displays the body temperature within seconds using its one second quick measurement technique.This ear thermometer has an ergonomic design that helps easy handling. Its advanced infrared and ambient temperature compensation technology helps take accurate temperature readings quickly and easily. The infrared probe is one of the main and delicate parts of the thermometer. Position it into the ear canal and it measures the temperature of the tympanum and displays the reading on the display window. The probe must always be used along with the probe cover.