How to use First Aid Only disposable thermometers?

The First Aid Only disposable thermometers can be used orally.

The thermometer should be held under your tongue for one minute.

There are dots on them under different temperatures.

The dots will darken after one minute to show your temperature.

This pertains to both items below:

21-770	Disposable Thermometers, 10/box
21-775	Disposable Thermometers, 100/box