The Vicks ComfortFlex Thermometer uses Speed Read technology to accurately provide a temperature reading in only 8 seconds. Designed for comfort and convenience this unit features a flexible tip that can be used in the mouth rectum or under the arm. The V966US uses Fever InSight to accurately display the severity of your child's temperature. The screen displays green if no fever yellow when the temperature is slightly elevated and a red fever alert. 1) BPA free 2) Readings in Fahrenheit or Celsius 3) Waterproof for easy thorough cleaning 4) Memory feature recalls and displays last temperature taken 5) Storage case and batteries included. White/Blue