It is an advanced infrared gun thermometer with infrared technology which measures the temperature of the forehead accurately. This infrared gun thermometer is easy and safe to use anytime. This is a non-contact infrared thermometer and can detect the temperature in the range of 1cm to 3cm. This gun thermometer will prevent you from getting infections from other people. This infrared gun thermometer is designed in Celsius and Fahrenheit scales, and you can select and change the scale according to your ease.