Bought this thermometer for my new born since it can be used both on forehead and ear, but I ended up using it myself first for my fever due to mastitis. I absolutely Love the colored backlight to let you know whether you have a fever or not, because I can never remember the temperature guideline. Seening the green or red on the screen is so much easier!! I had been using the famous E brand thermometer for several years, but now Mosen is definitely my new favorite!!! Highly recommended!!!