The forehead temperature gun (infrared thermometer) is designed for measuring the human body forehead temperature reference. It is very simple and convenient to use. The forehead temperature gun can accurately measure the temperature in 1 second, no laser spot, avoid the potential damage to the eyes, no need to contact the human skin, avoid cross infection, one-click temperature measurement, and check for flu. 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. The temperature gun can also be provided to medical staff for use in clinics.