CONTACTLESS QUICK MEASUREMENT: Forehead thermometer can measure temperature in 1 second without physical contact. The infrared thermometer adopts one-button measurement design, quick and convenient. 2-in-1 Mode: The professional forehead thermometer includes forehead and surface modes. In addition to measuring human body temperature, we can also measure ambient temperature, water temperature or object temperature. The multifunctional adult thermometer can meet your different needs. [Sound and light heating alarm]: The infrared thermometer has a sound alarm, and the temperature alarm value can be set. The forehead thermometer features a three-color backlight design. In body mode, the forehead thermometer can judge whether there is fever through different backlight colors: green (32.0-37.4), orange (37.5-37.9), red ( 38.0-43.0) Professional and Accurate: The infrared thermometer uses infrared technology to measure data quickly and accurately. You can switch between Celsius/Fahrenheit modes as needed. The accuracy of the forehead thermometer is 0.2C / 0.3F. Memory Function & Auto Power Off: The adult thermometer has memory function , which can store 99 sets of temperature data (for forehead mode), which can help you record better. The infrared thermometer automatically turns off after 15 seconds of inactivity, saving energy.