【Non-contact】To prevents cross infection, the non-contact infrared forehead thermometer measures within 2 inch distance. Infrared no contact technology is much safer and better compared to the mercury thermometer.【LCD Display】Large LCD display including color change as temperature gets higher. Light display so you can see the temperature accurately even in the dark. At the same time, even when the baby is asleep, the temperature can be measured quietly and without disturbance.【Intelligent Temperature Alarm】: The fever thermometer has a three-color backlight color alarm function. If the temperature is within the normal range 86 °F to 99.3 °F / 32-37.4 °C, the LCD will display Green. If the temperature is 99.5 to 100.2℉ / 37.5 to 37.9℃, the LCD will display Orange . And the LCD will display Red when the temperature is 100.4 to 109.4℉ / 38.0 to 43.0℃, indicating that you may have high fever.【High Accuracy】Provides a precise non-contact measurement to give you an accurate reading within one second for a more efficient and convenient use . Choose between reading temperatures in °C or °F, and the Forehead Thermometer is accurate to 0.1°C or 0.1°F.【Easy to use】Keep the distance between the thermometer and the forehead is approximately 1”-2”and press the trigger to measure the forehead temperature. When you hear one beep sound, the LCD will show the result.