EASY OPERATION - Non-Contact body measure temperature gun, provide fast clinical accurate instant temperature and precise reading within 0.5 second. A loud beep will notify you it is done (also can switch to quiet mode will not wake baby). Its measurement distance is 1.2-2in (3-5cm) that can measure body temperature without touching the forehead | FEVER WARNING - LCD large screen provides 3-color display (Green, Orange, Red) easy reading. Once it detects a high temperature, there will be a red backlight display and a sound alarm function. Fever warning values have been preset 38à| RAPID DELIVERY - We guarantee that your adult forehead thermometer will be delivered Within 3-8 Days at the earliest. Please let me know if you have any questions, we will deal with it within 24 hours. Meet CE/FCC/ ROSH certification. We guarantee lifetime maintenance or replacement. Each infrared adult thermometer is carefully packed on a strong Eco-Friendly corrugated box | PROFESSIONAL & ACCURACY - ¯àcan easily switch instantly. The accuracy of the measurements was measured by thousands of repeated tests, clinical tests, and laboratory blackbody tests | WIDELY USE - Widely use for adult, children, kid, baby, milk, room, water and food etc. Can be widely use in schools, hospitals, homes, ports and other applications. You do not need to worried about long time waiting and the baby not cooperative enough, and prevents cross-infection between multiple peoples