The Fluke 59 Series Infrared Thermometer is designed to provide precise laser technology for more accurate and repeatable measurements. It has a large, easy-to-read backlit LCD display for easy viewing. It is small and lightweight design fits easily fits into your tool box. It displays the minimum, maximum or average temperature, or the difference between two measurements. It has Hi and Lo alarms for rapid display of measurements outside the limits. It is powered by one (1) AA battery, and comes with a one year warranty.