This infrared digital baby thermometer is the best I have seen in a long time. It is great for babies, toddlers and children. It can even be used on adults and is so easy to use. There was a moment where I struggled with setting it up to read farenheit but after reading the instructions this was easy to set up as well. It does take batteries but once you place them in the handle part it is good to go. Very easy to operate and use.