The 42545 is a high-temperature infrared thermometer that measures up to 1832°F (-50 to 1000°C), has a 50:1 distance-to-target ratio, and a laser pointer to identify the target area. A high distance-to-target ratio of 50:1 measures smaller surface areas at greater distances, ensuring safe and precise measurements. Large, backlit LCD display. Adjustable emissivity. Complete with a 9V battery and a carrying case.