✓100% SATISFACTION PRODUCT GUARANTEE - We provide a lifetime warranty for this product, you can contact us at any time if you encounter any problems in use, and we will provide you with the best after-sales service. ✓HD BACKLIT LCD SCREEN & MUTE MODE - HD backlight LCD screen allows you to read clearly in the dark. You can also switch to silent mode, which is convenient for you to track your baby's body temperature changes after your baby falls asleep. ✓SMART FEVER ALARM - With the support of smart chips, our thermometer can warn of fever. When the temperature is higher than the normal range, the short beep will sound and the backlight of the screen will turn orange/red for a low/high fever alarm. ✓MULTI-MODE & MULTI-FUNCTION - Our thermometer can not only measure the temperature of the forehead/ears of adults and children, but also the temperature of rooms/objects (such as milk). It also supports switching between Celsius and Fahrenheit. ✓NON-CONTACT & 1 SECOND READING - This non-contact thermometer uses infrared technology. When measuring temperature (such as forehead temperature), there is no need to touch the forehead, and the accurate measurement results can be obtained in just 1 second.