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redO forehead thermometer is designed for all ages. It not only supports forehead function but is able to take, object temperature. ℃ and ℉ are easily switchable. redO Non Contact Thermometer can take your body temperature instantly without physical contact; A great choice for families, nurseries, clinics and schools. redO contactless thermometer has large 3 colors backlit display and fever beeping alarm indicating normal, elevated and fever temperature respectively in body mode The thermometer can store 30 readings to track your family's temperature continuously. So if your family's temperature is slightly higher, you can deal with it in advance. No-Touch Measure in 2 Second: This contactless thermometer is equipped with a high-precision infrared sensor, which can accurately read data within 2 second. The measurement distance between the thermometer and the forehead is 0.4-2 inches (1-5 cm).