How to use Gun model Infrared Thermometer
The forehead thermometer is used to measure the temperature. The main measuring part is the forehead.Now let me to tell you how to use the forehead gun thermometer.
Aim at the middle of the forehead with the gun model infrared thermometer , 3cm away from the forehead, because too long distance will cause inaccurate measurement result.Then press the measurement button to test the temperature of the forehead.
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