Firetinas thermal scanner breaks the track record of infrared temperature measurement by 0.1 degree precision in third party laboratory report. Infrared temperature measurement is so far the best COVID-19 screening method. After-covid reopen, Firetinas thermal scanner is widely used in schools, hospitals and transportation terminals. However, 50% of the user is complaining about the accuracy of thermal scanner to be inaccurate. Some thermal scanner display body temperature to be 1 degree temp...