4 in 1 infrared thermometer The digital forehead thermometer is suitable for all ages, adults, children and the elderly. It supports forehead, ear and object temperature measurement and air. and are easy to change. Accurate and reliable The non-contact infrared thermometer has passed the test of accuracy and reliability. (Measuring deviation 0.1 degree) You only need to press a button when using this infrared thermometer for forehead, and temperature accurate can be delivered immediately within 1 second. Fever alert LCD display with fever warning system clearly shows measurement data. The fever thermometer will display the temperature status with the corresponding emoticons. If the temperature exceeds 38 degrees, an alarm will be emitted to remind you. Memory function One-click query of 40 groups of historical body temperature data and timely capture of dynamic changes in body temperature during the day, which is convenient for comparison before and after treatment. easy to use Easy-to-read LCD screen displays important information, and no matter what day or night, babies or toddlers can use the unique silent mode feature.