For non-contact temperature measurement - The advanced infrared temperature measuring technology provides safe, accurate, reliable and hygienic readings for measuring both forehead and ambient temperature. The forehead temperature reading lookup table was calculated and developed based on systematic skin clinical data statistics to accommodate fever and non-fever subjects, under different operating environment. The one second measurement thermometer without contacting skin is a suitable choice for obtaining body temperature and prevents cross contamination by measuring around 5 cm from the forehead.