<p>HIGH ACCURACY &amp; ADJUSTABLE EMISSIVITY - Non-contact Infrared thermometer with 13 Points Laser Guidance system, it offers accurate measurements from -58F to 1472F(-50~800C). Also with Adjustable Emissivity From 0.1 To 1.0, facilitating accurate temperature readings across different materials. French HTU20 High-quality sensors can can provide dependable measurement within 0.5 seconds. This infrared thermometer is specially designed for inanimate objects, NOT for human or animals.MULTI-FUNCTIONAL IR THERMOMETER GUN - Featured with color LCD backlight display, which can better distinguish the data at a glance and finish the work in the dark. Also support Data hold, Low battery indicator, C/F conversion, 20s Auto power-off function, MAX mode and users can set high/low of temp alarm, the thermometer will alert for quick anomaly detection and troubleshooting when the temp is above/below the set limit. . All these convenient features make testing work much easier and safer.WHAT YOU GET - The package comes with 1* 800A Digital Infrared Thermometer, 1*Storage Bag, 2*1.5V AAA batteries, 1*User Manual, so you can start using once receiving. Class II laser, optical power &lt;1mW . Wavelength 620~690 um. We also provide a 36-month manufacturer warranty and lifetime customer support to ensure your satisfaction. With the thoughtful Aftersales, you can use this infrared temperature gun with confidence and peace of mind.EASILY USE - Simply point the ir thermometer gun at the measured object, hold down the trigger, then release to get a temperature reading instantly. The distance to spot ratio is 12: 1 which can measure targets at a longer distance, the larger the object, the farther the measurement distance; the smaller the object, the closer the measurement distance. For best accuracy, the distance between the thermometer and the measurement object should be approximately 7.8-19inch.WIDE APPLICATIONS - The 800A Thermometer gun is extremely professional in surface temperature testing for various applications especially temperatures above boiling points and below freezing points. Including cooking, baking, BBQ, Pizza ovens, Grilling, frozen food, HVAC, Engines, High-end broilers, Refrigerators, Home inspection and more. This ir laser temperature gun will be a great assistant for doing household or commercial works.</p>