【Non-contact and Fast Measurement】: The IDOIT forehead thermometer can measure temperature in 1 second without physical contact. The infrared thermometer uses a one-button measurement design, which is fast 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 objects. The multifunctional adult thermometer can meet your various needs. 【Audible and Visual Fever Alert】: The infrared thermometer has an audible alarm, you can set the temperature alarm value. The forehead medical thermometer uses a three-color backlight design. In body mode, the forehead thermometer can determine if there is a 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 quickly and accurately measure data. You can switch between Celsius/Fahrenheit modes as needed. The forehead thermometer's accuracy is ±0.2°C / ±0.3°F. 【Memory Function and Auto Shut-off】: The IDOIT adult thermometer has a memory function and can store 99 sets of temperature data (for forehead mode), which can help you record better. The infrared thermometer automatically shuts off after 15 seconds of inactivity, saving energy.