30 recent readings in memory: The IR42 stores 30 of the most recent measurements to conveniently track body temperature changes. Intelligent fever alarm: An obvious red light shows on the large backlit LCD screen to indicate a fever. The backlit display allows you to obtain readings, even in the dark. Hygienic and non-contact convenience: Its infrared non-contact design is the perfect way to avoid cross infection, especially for babies. And the soft beep that chimes after taking a reading from 1”–2.5” (3–7 cm) away will not awake or frighten your young one. Multi-mode thermometer: Three different kinds of measurement modes are accessible with this digital forehead thermometer. It is designed not only for babies, children and adults, but also for measuring object/surface temperature. You can easily switch between all 3 modes with just one button. Celsius and Fahrenheit degree are easily switchable as well. Clinical accuracy at home: Our IR42 thermometer can give you an accurate and reliable reading in only 1 second. Its built-in high-efficiency temperature sensor makes it easier and faster to get a professional medical quality reading.