We bought the safety 1st ear thermometer before we had our daughter to make sure we had a good way to make sure we knew if she was running a fever. After reading the reviews on it, we thought it was our best option. It does take a temperature in a very quick amount of time, but it doesn't matter if you can't get a good reading. It is really hard to get in the position to get a good reading because infants move all the time. Any time I tried to take her temp with it, I felt that the reading was off. I did try it on myself, and it seemed to work. The thing that concerned me was that when we took my daughter in for her 2 month doctors appointment, they told us that she had a slight fever but this thermometer never picked up anything. I would probably recommend this for older kids, but not infants. There has to be a better and more relyable way to take a infants temperature than using an ear thermometer.