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PEDIATRICIAN RECOMMENDATIONS: - NEVER BUY TYMPANIC, FOREHEAD, TEMPORAL ARTERY, etc. thermometers (Even Kinsa's!). They can be 3 degrees off. - ALWAYS BUY ORAL/RECTAL thermometers for accuracy. BUY THIS ONE. It's awesome. Some Chinese off-brands may not be accurate. - You can take underarm temps for a "ballpark" number, but for an accurate number, take rectal for kids under 3, oral over 3 I am a pediatrician, and I just had my first child. He developed a fever but I didn't know how high. I almost bought a $260-300+ Welch-Allyn SureTemp Plus 692 (it's what I use at my office), but with an infant, I would mostly take rectal temps. I knew the SureTemp takes 4-6 second oral readings, but I did NOT know rectal readings took 10 seconds! So I decided to try this for LESS than 1/10th the price. And am I glad I did!!! I just received my Kinsa QuickCare Smart Digital Thermometer yesterday (a bit late, my son's fever had passed), and I am VERY impressed. Setup is VERY EASY considering there's an app to set up rather than simply taking temps. The app recognized the thermometer right away, sync'ed super fast. Readings happen VERY FAST. It starts showing temperature readings within 1 second, though it takes a few seconds to get a final reading. It feels like 3-4 seconds. The Kinsa QuickCare feels solid and the tip is surprisingly flexible. The silicone rubber shell feels like quality, not plasticky. The app is also very intuitive, allowing you to keep a record of temps taken as well as other symptoms, and allows multiple profiles so you can keep straight who started with what symptom when. It also offers the ability to move temp readings from one profile to another (in case you forgot to switch profiles before taking the next temperature). The app is handy for keeping track of common cold and stomach bug symptoms. Your pediatrician will be so impressed you know EXACTLY when your child's cough and fever started, when it stopped, etc! I know I would! FINAL RECOMMENDATIONS: - DON'T cheap out and buy the $8 Chinese off-brand; they may not be accurate and will crap out on you quickly. Buy this one! - DON'T spend more on "instant read" tympanic, temporal artery, and forehead thermometers; you will get LESS ACCURATE readings