Forehead temperature gun (infrared thermometer) is designed for measuring human forehead temperature, which is very simple and convenient to use. It can measure the temperature accurately in 1 second without laser spot, which can avoid the potential damage to eyes. It does not need to contact human skin to avoid cross infection. One click temperature measurement can detect influenza. It is suitable for family users, hotels, libraries, large enterprises and institutions, and can also be used in hospitals, schools, customs, airports and other comprehensive places.