Fitchecks MT-101FC Digital Thermometer, provides a quick and highly accurate reading of an individual's body temperature, easy and convenient to use. Directions: Step 1 - Press the On/Off button to turn on the unit: Step 2- Position the thermometer in desired location (mouth, rectum or armpit): Step 3 - Read the displayed temperature after you heard beeper sound: Step 4 - Press the On/Off button to turn off the unit.