Contactless & Easy to Use - This forehead thermometer is clinically validated and medically certified for safety and accuracy. Simply turn it on, hold it 2-3cm from the forehead, and press the start button for a 1-second measurement with a short beep. Fast & Accurate - Within 1 second, the infrared thermometer provides precise readings using accurate sensor probes and optimized algorithm calculations. Track historical temperature changes with the ability to store up to 10 data sets for easy reference. 3-in-1 Infrared Thermometer - This versatile thermometer measures forehead temperature using infrared technology. It can also be used to measure the surface temperature of objects (like milk) and rooms. Fever Alarm with Backlight - The forehead thermometer features a large LCD screen with 3 backlight indicators (green, yellow, and red). A red display signifies an abnormal temperature, accompanied by an audible warning.