[Easy to Use with No Contact] This forehead thermometer is reliable for its safety and accuracy with clinical validation and medical certification. You can easily turn it on, place it 2-3cm away from the forehead and press the start button, measurement can be done in 1s after a short beep. [Fast and Accurate] Within 1 second, the infrared thermometer gives the result of measurement data with the help of precise sensor probes and optimized algorithm calculation. To track your historical temperature changes, the thermometer can store up to 10 sets of data which helps you to read the temperature data record any time.[3 in 1 Infrared Thermometer] A thermometer can measure the temperature of the forehead with the help of infrared technology. It can also be used to measure the surface temperatures of objects (milk) and rooms. [Fever Alarm with Backlight] The forehead thermometer consists of a big LCD screen with 3 backlight indicators (green, yellow and red ). The red screen is considered as abnormal temperature which is accompanied by warning sound.