Fast and contactless measurement: The forehead thermometer can get the body temperature reading in one second while keeping a distance 3-5 cm(1.2-2 inches) from the forehead of the human body, which can not only accurately and quickly measure the body temperature, but also avoid risks. Fever warning and tricolor display:: The forehead thermometer has an audible alarm. When the temperature is abnormal, a buzzer will sound to remind you. And in body mode, the forehead thermometer has three different background colors to indicate what stage your temperature is at, so you can better monitor your health: Green(32.0-37.4),Orange(37.5-37.9),Red(38.0-43.0). 2 in 1 mode:: The adult forehead thermometer can be used to measure the body temperature of babies, children and adults, as well as to measure the temperature of the room surface, water, milk and other objects. One instrument can meet your multiple demand. Professional Thermometer: Non-contact thermometer, which is only available in our store, uses infrared technology to quickly and accurately obtain the temperature of the human body or object. Additionally, you can toggle the C/F to your available. The accuracy of the clinical thermometer is 0.2C/0.4F. Memory mode and automatic shutdown:: The medical infrared thermometer can store 40 measurements for easy recording and viewing at any time. What's more, this medical thermometer is also very energy-saving, it will automatically shut down 13 seconds after you stop using it, extending the use time.