Non-contact and fast measurement: Forehead thermometer can measure temperature in 1 second without physical contact. The infrared thermometer adopts one-button measurement design, which is quick and convenient. 2 in 1 Mode: The Forehead Thermometer Professional includes forehead and surface modes. In addition to measuring human body temperature, we can also measure ambient temperature, water or object temperature. Multi-functional adult thermometer can meet your different needs. Audible and visual fever warning: The infrared thermometer has a sound alarm, you can set the temperature alarm value. Forehead medical thermometer uses three-color backlight design. In body mode, Forehead Thermometer is able to judge whether a fever or not by different backlight color: 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. Forehead thermometer accuracy is ±0.2°C / ±0.3°F. Memory Function and Auto Power Off: Adult thermometer has memory function and can store 99 sets of temperature data(for forehead mode ), which can help you record better. The infrared thermometer will automatically power off after 15 seconds of inactivity, saving energy. Infrared Forehead Thermometer Technical Specifications： Functionality： Precise non-contact measurements User selectable ℃ or ℉ Set alarm temperature value Auto data hold and auto power saving < p>Auto selection range and display resolution 0.1℃ (0.1℉) 3-color backlight 2 measurement modes: Forehead and surface mode