This Dewalt infrared thermometer is powered by a 12 V battery pack. It measures temperatures from -20°F to 932°F without contact. The thermometer is equipped with a LED indicator for visual and/or audio alarm to quickly locate trouble spots. Data storage allows you to record maximum, minimum, and average temperatures. The adjustable emissivity improves accuracy across a wide range of materials. The kit also includes a fast charger and a kit box.