This Vicks thermometer provides accurate readings within +/- 0.2 degrees F in only 8 seconds. The unique Fever InSight helps you get temperature readings at a glance with a color coded display and understand them easily. A green display suggests a normal temperature yellow signifies an elevated temperature and a red display indicates a high temperature Because it can be used as an adult thermometer for oral readings as well as be used a rectal thermometer for babies or even used under the arm for toddlers and kids it’s perfect for the whole family. It also has a memory feature that recalls and displays last temperature taken an automatic shut-off for longer battery life and is waterproof for easy thorough cleaning.