Taking your forehead temperature with this thermometer is as simple as pointing, and pressing a button. It uses infrared technology, and can show readings in ? and ?. The large backlit HD LCD screen is easy to read in dark. Our forehead thermometer has been clinically tested and found to be a fast and absolutely reliable gadget to use. It is ideal for forehead readings, and has a very small error margin(0.1°F for body mode, and 1.0°F for object mode). It is actually more accurate than standard mercury thermometers. The forehead thermometer is designed for all ages, adults, infants and elders. It not only supports forehead function, but is able to take room/object temperature. ? and ? are easily switchable. You can store up to 20 temperature readings and recall them at any time. Intelligent light indicator indicate a fever when measurement exceeds 37.5°C / 99.5?. Also has an auto shutdown feature for power saving. This thermometer features the latest built-in smart chip which ensure the excellent performance of the thermometer.Advanced sensor technologies deliver more reliable results and ultimate safety for users.