Vicks SpeedRead Digital Thermometer (2-Pack) provides accurate readings in only 8 seconds. It utilizes Fever InSight® to give color-coded displays for better understanding of the reading. A green display suggests that there is no fever, yellow signifies a slightly elevated temperature and a red display indicates a fever. It can be used orally, rectally or under the arm. Take your health to the next level with FSA eligible Bundles.