Because you can specify the age in three stages before measuring, so the infant, toddler and big kid / distinguish adults.
The temperature is not only displayed in degrees Celsius, but also in colors. Green means everything is ok, yellow means elevated temperature and in red is fever before.
Thus measuring is a breeze.
The tip is flexible, including baby-fit. Because if the crumb already going bad, it does not take even a hard top that it torments.
A high-quality, recommendable product.