The Vicks Digital Thermometer makes temperature taking easier. The large display is easy to read and the waterproof design allows for simple, more thorough cleaning. For use orally, rectally or under the arm. Features: Fast; readings in 30 seconds. Accurate; a reading within +/- 0.2 degrees F. Large display for easy reading. Beeps. Memory recall. Automatic shut-off for longer battery life (battery included). Waterproof. No glass to break, no fear of mercury poisoning.