Features: This Non-contact Body Infrared Thermometer is specially designed to take the body temperature of a person regardless of room temperature.Depending on various skin types and thickness, there may be temperature difference. When the indoor temperature is significantly different, the body infrared thermometer should be placed in that room for 15-20 minutes before using. Global offset value setting 1.Turn on. 2. Press the "Right Button" for more than 3 seconds, LED display F2 3. Short press the "right button" once to increase the warning threshold by 0.1 ° C; 4. Short press the "left button" once to warn that the threshold value is reduced by 0.1 ° C; 5. After operating the settings, press the measurement switch to confirm the save and exit the settings. (No operation for 5 seconds, there is no memory to exit the setting.) Tip: Adjust the actual value of the measurement temperature according to the actual measurement distance and measurement environment. It can be adjusted from -3.0 ° C to 3.0 ° C.
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