Quick and Non-contact Measurement The infrared thermometer can get the body temperature reading in one second while keeping a distance of 3-5 cm (1.2-2 inches) from the forehead of the human body, which can accurately and quickly measure body temperature while reducing contact risks. Fever Warning and Three-color Display The forehead thermometer has an alarm sound. When the temperature is abnormal, a buzzer will sound to alert you. In body mode, the forehead thermometer has three different background colors to indicate your temperature stage, helping you monitor your health: Green (32.0-37.4), Orange (37.5-37.9), Red (38.0-43.0). 2 in 1 Mode The infrared thermometer can be used to measure the body temperature of babies, children, and adults, as well as the surface temperature of rooms, water, milk, and other objects. One device meets multiple needs. Professional Thermometer This non-contact thermometer uses infrared technology to quickly and accurately obtain the temperature of the human body or objects. You can toggle between Celsius and Fahrenheit units. The accuracy of the thermometer is ±0.2°C/±0.4°F. Memory Mode & Auto Power Off The infrared thermometer can store up to 32 readings for easy review. Additionally, it features an auto power-off function that activates after 13 seconds of inactivity, helping to conserve battery life.