the face such as the tear ducts or the forehead. The body temperature can be obtained using it with 0.3 Degree of accuracy in no time, lesser than even one second. The Santa Medical IR thermometer has an intuitive system of guidance to obtain the accurate readings and confirm the positioning. You can get the readings in both the Celsius and the farenheit using the huge screen of back-lit LCD to enable easy readings even when there is total darkness.