Digital thermometers provide fast and accurate readings of personal temperature dual measuring scales with fahrenheit and celsius capabilities. When in use, the thermometer is placed under the tongue and can be read quickly and accurately in only 30 seconds. After completion, the alarm buzzes for 10 seconds, and the LCD displays the measured reading. The thermometer provides a durable battery and a large LCD display that is easy to read. The kit includes a hand-held thermometer, battery, probe sheath, storage box and instruction manual. Complies with FDA. 5 1/4" L x 1" W.