Note: Due to logistics restrictions, this product does not contain batteries, please purchase the battery yourself after receiving the product, please understand! Accurate - Our laser thermometers have an emissivity range of 0.1 to 1.0 for accurate readings on different surfaces and conditions. For best results, the reader should be 14 inches from the object. Versatile - Use this handy laser temperature gun at home and in industrial settings. Check oven or griddle heat, complete HVAC projects, measure the temperature of any vehicle engine, and more. EASY TO USE - Just scan the surface of your object, hold down the trigger of the IR thermometer, and release to get real-time temperature readings anywhere between -58F and 1094F (-50C and 590C). Bright Display - Each IR temperature gun has a large backlit LCD screen so you can easily read the temperature in the dark. And with 2 AAA batteries included, powering the thermal gun is a piece of cake. NOT FOR HUMANS - This temperature gun thermometer is not intended for human/internal body temperature use. It's designed for home repair, cooking, HVAC and automotive use, and other DIY jobs. Large Backlit LED Screen Multiple Custom Settings Easy to read in any setting, the large backlit screen enables you to read from a distance and in non-optimal lighting conditions. making this thermometer ready-to-use on delivery day. Choosing your setting based on your temperature-taking need allows you to use your thermometer for multiple purposes and projects. Features Find Hotspots Monitor Glass Temperatures