It is measurement of forehead temperature and ear temperature. Thanks to the dual mode design, you are free to take body temperature by detecting the infrared heat given off by the forehead ,which is from 32℃ to 42.2℃ (from 89.6℉ to 107.9℉), and by the eardrum, which is from 0℃ to 100.0℃（from 32.0℉ to 212.0℉)
Use for all ages:
The thermometer takes human body temperature for clinical or household use. It applies to all age groups and those who are suffering from a fever.
How to avoid the inaccuracy:
Please make sure that there is no dirt on the temperature sensor.
Please make sure that there is no water or any shade on the forehead.
Please clean the ear canal first when you measuring the ear temperature.
Please keep this Dual Mode infrared thermometer out of Children's reach.
Medical assistance can't be replaced by the use of infrared Dual mode infrared thermometer.
The Dual mode infrared thermometer is not waterproof! Keep it away from water.