Beep to Prompt: Once the thermometer reaches the highest temperature within its operation range, its screen will flash and beep to remind you to check the result. Multiple Ways to Use: You can take temperature under the tongue, under the armpits, or in the rectum to get a reading in 1 minute (Warm Tips: The temperature under the tongue is the most accurate due to the environment). ?/? Switchable: Temperature reading shows in the Fahrenheit and Celsius. Press and hold the On/Off button for 4 seconds to switch. LCD screen with units is easy to read. Safe for Kids: Made of food-grade silicone, no-toxic, tasteless, non-stimulated, safe and environmentally friendly, safe for infants, baby, kids and pet. Fast & Accurate Reading: Built in second generation smart sensor, our thermometer will measure body temperature fast and accurately. Clear lighted display offers a convenient easy reading even in darkness.