The Exergen Temporal Artery Thermometer is the ideal thermometer for your family that helps you take an accurate body temperature reading easily. It is simple to use and safe to use by every member of the family. This portable Exergen thermometer can capture temperatures with a gentle stroke of the forehead. You can use it to measure the fever of an infant with ease. It works by capturing heat from the temporal artery and it can take up to 1,000 readings in a single second while determining which one is the most accurate for you. The red LED light on the thermometer starts flashing when the correct scan appears, and you can read it easily. The portable thermometer is powered by a 9 V battery that lasts reliably for dozens of readings.