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 Professional Forehead Thermometer includes forehead and surface modes. Besides measuring human body temperature, we can also measure ambient temperature, water temperature or object temperature. Multi-functional adult thermometer can meet your different needs.Audible and visual fever warning: The infrared thermometer has an audible alarm, you can set the temperature alarm value. Forehead medical thermometer uses three-color backlight design. In body mode, the 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. The accuracy of the forehead thermometer is 0.2C / 0.3F.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 turn off after 15 seconds of inactivity, saving energy. Infrared Forehead ThermometerTechnical SpecificationsTemperature Units : C / F, switchablePower supply: DC 3V, AAAX2Battery: 2 * AAANot included in the packageWeight &Dimension: 131.4g, 134x76. 5x38mmFeaturePrecise non-contact measurementsUser selectable or Set alarm temperature valueAutomatic temperature hold Automatic data and power savingAuto-select range and 0.1 (0.1) display resolution3-color backlight2 measurement modes: Forehead and surface mode