Purea infrared forehead thermometer uses IR temperature sensing of the forehead to measure human body temperature. Using the updated 2020 version of a new algorithm to ensure accuracy. It can be used for babies, children, and adults. Baby and children should not operate the device on their own. Readings may differ according to skin tone and measurement distance. Purea adopts adopting ergonomic anti-skid design and is very easy to use. The product comes with 2*1.5V AAA batteries. Purea Forehead Thermometer is available in a variety of sizes and models. It is not recommended for people whose measuring part has local lesions, such as inflammation, trauma, postoperative, etc. When hearing the beeper sounds, the measurement is completed and you can take out the thermometer and check the measuring result. The device is compatible with all major u.s. And European countries.