CONVENIENT INSTANT READINGS: Get an accurate temperature reading in just 1 second. No more waiting around, you'll know your temperature without any delay. Convenient automatic 10-second calibration after each measurement, eliminating the need for manual adjustment, ensuring precision and accuracy with every temperature. CONVENIENT AND CLEAR 3D FULL-SCREEN: Upgraded extra-large backlit 3D full-screen has been expanded by 20%, putting an end to squinting at small screens. 3-color temperature indicator, Quick and easy way to determine if you or your loved ones have a fever with rapid 1S measuring. (Note: normal temperature with a long beep and a green indicator , low-grade fever with three short beeps and an orange indicator. high-grade fever with three short beeps and a red indicator.) BOLD & EASY TO READ GLOWING DIGITAL TEMPERATURE: with a 20% bolder temperature reading, you'll never misinterpret the results. No more squinting or straining to view the temperature, even in dark, the bolded self-illuminated digital ensure you effortlessly obtain a quick and accurate reading. INCREDIBLY EASY TO USE: The upgraded thermometer is more user-friendly. With an innovative layout of 4-buttons, as opposed to the traditional 3-button design, it's now even easier to use, each with its own unique function, ensuring simplicity and eliminating guesswork. No more confusion or the need to sift through complex user manuals every time you use it. CONVENIENT AND EFFORTLESS FAMILY HEALTH TRACKING: thermometer automatically stores the most recent 32 sets of temperature readings, makes it easy to monitor any fluctuations and keep an eye on changes in body temperature, understanding whether you or your family ones are worsening or recovering from a fever has been easier.