Flir TG167 NIST is an IR thermometer that operates with lithium-ion batteries that are included in the box. It has high thermal sensitivity and a 2.0 inches LCD widescreen that shows imaging with a pull of trigger attached to its handle. It can save the captured images on its micro SD card, and its temperature can range from -13°F to +716°F. The batteries included with the product are rechargeable and have intuitive button navigation, allowing easy use and high performance. 48000 IR pixel resolution ensures the highest quality of images with maximum precision and accuracy. The Flir Imaging IR Thermometer with NIST has an ergonomic design making it user-friendly and very comfortable to use. Product Specifications: Brand: Flir Model: TG165 NIST Product: Imaging IR Thermometer with NIST Item Weight: 318 grams Batteries: 1 Lithium-ion battery Product Dimensions: 5.59 x 9.4 x 18.54 cm