Non-Contact ThermometerThe best moving distance of the non-contact thermometer is 3-5 cm (1.2-2 inches), and temperature & surface at a safe distance. The thermometers suitable for adults , kids , baby , home, offices.LCD Backlight & Switch /FThe thermometer readings can switch to F , and the measurement results truly in human body temperature. The backlight of this thermometers LCD display can be turned on or off.Quick and High AccuracyThe adult non-contact forehead thermometers can quickly obtain accurate readings within 1S , measuring time: 0.5S. Thermometer can be used as a thermometer for thermometer for adults and kids.Fever AlertBy customizing the alarm temperature value, when the detected body temperature enters the fever zone, the forehead thermometer will alert you. The alarm system reminds users that they need to pay attention.Wide RangeAdult thermometers have high measurement accuracy and stable performance. Measuring range (89.6F~109.4F), infrared sensor error