Even thermometers ... non-contact-infrared-thermometers Pecoraro V, et al. (2020). The diagnostic accuracy of digital, infrared and mercury-in-glass thermometers in measuring body temperature ...

Instant & Accurate : This no contact thermometer equipped with the advanced infrared technology and high precision sensor, instant reading, which only takes 1 second to read the temperature.

high fever alarm This no-contact thermometer takes temperature readings from a person’s forehead using infrared technology. It has a memory feature and can store up to 50 readings. In addition ...

Oral temperature. You can also use a thermometer in your mouth ... longer than 3 days If you have had a high fever for 3 days or more, it is time to contact your doctor for help.