Accurate Readings: This digital thermometer has been clinically tested for fast and reliable temperature readings. It is ideal for forehead and ear readings with a small margin of error. Touchless IR readings are more accurate and healthier than standard mercury thermometers. Non Contact and 1S Measurement: Non-contact infrared measurement, ideal for avoiding cross infection. Measuring distance is 1.18-1.97 inch/3-5cm. One-button fast temperature measurement. Sound Alarm:High-accuracy infrared measurement, customize the alarm temperature, when the temperature exceeds the threshold, audible alert will trigger. The HD LED screen displays clear, crisp numbers that are easy to read. Multi-Purpose: The Forehead thermometer is designed for all ages, adults, infants and elders. It not only supports forehead function, but is able to take room/object temperature. Easy to switch between ℃ and ℉ with the simple click of a button. Both models offer identical features. Available while supplies last.