The Easytem VT-100 forehead thermometer features advanced technology of array sensor combined with a unique non-invasive design to measure body temperature in one second from the forehead. Clinical researches have proven that the forehead is an accurate site to measure body temperature because the forehead temperature is the same as that of the arterial blood supply under the skin. The Easytem VT-100 makes the reading by measuring the heat remotely through infrared light. This is convenient because you only have to hold the device about 10cm from the forehead, push the button, and check the display for a virtual instantaneous reading. VT-100 takes a total of 60 different measurements in one second and displays the highest reading to guarantee accuracy. All readings are displayed in easy-to-read LCD format. A beep signals the end of the cycle and the automatic memory function holds last 32 readings for easy review and comparison. Also, the thermometer provides readings in both Fahrenheit and Celsius. This uniquely designed thermometer allows you to obtain the temperature of your child or baby easily, accurately and instantly without disturbing him/her Set includes: 1 infrared thermometer, storage case, instruction manual and 2 AAA battery.