Non-contact and fast measurement: The forehead thermometer can measure the temperature in 1 second without physical contact. The infrared thermometer has a one-button measurement design, which is fast 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. adult thermometermultifunctional can meet your different needs.Audible and Visual Fever Alert: The infrared thermometer has an audible alarm, you can set the temperature alarm value. The medical forehead thermometer uses a three-color backlight design. In body mode The thermometerThe forehead can judge whether there is a fever or not by the different colors of the backlight: 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 thermometeris 0.2C / 0.3F.Memory function and auto power off: The 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 switches off automaticallyafter 15 seconds of inactivity, save energy.Specifications:Temperature units: C / F, switchablePower Source: DC 3V, AAAX2Battery: 2 * AAA (not included)Weight and dimensions: 145 g, 149 x 95 x 45 mmFunction:Precise non-contact measurementsUser selectable or Set alarm temperature valueAutomatic data saving and automatic energy savingAuto selection range and display resolution 0.1 (0.1)3-color backlight2 measurement modes: forehead and surface modeForehead thermometer can measure temperature in 1 second without physical contact.You can switch between Celsius and Fahrenheit modes as needed. The accuracy of the forehead thermometer is 2C / 3F.When the body temperature is too high, the forehead thermometer will emit a sound and a red backlight as a reminder. You can toggle mute/unmute as needed