About this item4 in 1 multifunctional: the ear and forehead thermometer can measure body temperature (babies from 3 months), the environment and objects such as food and water.Accurate and reliable: the temperature range of the thermometer is 0.4F (0.2C). 35 memories keep an eye on your temperature change. Backlit LCD screen and automatic shut-off in 10S.Practical and easy to use: the infrared thermometer is equipped with an extraordinary microchip and a highly sensitive sensor. With a single button, you get an accurate reading in 1 second.Three-colour fever warning: the infrared thermometer has the function of a three-colour alarm. The green display shows the normal temperature (32~37.3C, 89.6~99.1F). The yellow display shows low fever (37.4~37.9C, 99.3~100.3F) and the red display shows high fever (38.0~42.9C, 100.4~108.6F).