4 in 1 Multifunction The ear and forehead thermometer can not only measure body temperature (baby from 3 months), but also the environment and objects such as food and water. Accuracy and ReliabilityThe temperature range of the thermometer is 0.4F (0.2C). 35 memories keep an eye on the temperature change. Backlit LCD display and 10S auto shut-off. Convenient and easy to use The infrared thermometer is equipped with an outstanding microchip and a high sensitivity sensor. With just one touch, you get an accurate measurement within 1 second. Tricolor Fever Warning The infrared thermometer has the function of a tricolor alarm. Green display shows normal temperature (32-37.3C, 89.6-99.1F). Yellow display shows low fever, (37.4-37.9C, 99.3-100.3F) and red display shows high fever, (38.0-42.9C, 100.4-108.6F)