The Cole-Parmer® Professional Single-Input Thermometers offer fast response and laboratory accuracy. Features include automatic backlight, Max/Min readings, and automatic power-off. These thermometers provide precise measurements when accuracy is a must, delivering dependable results every time! Each model is packed with distinctive features for use in a wide array of applications. Robust and reliable constructed to protects against knocks and jars. These thermometers produce a high degree of accuracy, with a rapid response time, and exceptional battery life of up to 3000 hours.