The forehead temperature gun (infrared thermometer) is designed for measuring the human body's forehead temperature reference. The infrared thermometer forehead is very simple and convenient to use. Accurate temperature measurement in 1 second, no laser spot, avoid potential damage to eyes, no need to touch 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, and can also be provided to medical personnel for use in clinics. The normal body temperature of the human body averages between 36 ～ 37 ℃), exceeding 37.1 ℃ means a fever, 37.3_38 ℃ is low fever, and 38.1_40 ℃ is high fever. Life above 40 ° C is always dangerous.