Note: Due to logistics restrictions, this product does not contain batteries, please purchase the batteries by 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 -26F and 608F (-32C and 380C). 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 on any setting, and the large backlit screen enables you to read from a distance in less than optimal lighting conditions. Make this thermometer ready for use on the day of delivery. By choosing settings based on your temperature measurement needs, you can use the thermometer for a variety of purposes and projects. Note: Due to logistics restrictions, this product does not contain batteries, please purchase the batteries by yourself after receiving the product, please understand!