Simple Operation - Point and Click! Are you looking for an easy way to get accurate temperature measurements? If so, this Etekcity non-contact IR temperature gun is exactly what you need. Just by one press of the trigger, this thermometer will turn on, the laser pointer shows target and the big LCD will read the temperature in less than 0.8 second. 12:1 High distance spot ratio! This means you may measure the temp of a smaller area at the same distance compared to other 8:1 thermometers; thus the readings are much more accurate! Features 1.Laser targeting system for more precise aiming; 2.Greater distance-spot ratio offers accurate results at longer distances; 3.Safely measure hazardous or inaccessible objects; 4.Standard 9V battery offers 12 hours of cumulative use; 5.Auto-shutoff after 15 seconds to increase battery life; 6.Instant-read-display on LCD. Specifications Temperature Range: -50750 (-581382) Accuracy: 2% or 2 Distance Spot Ratio: 12:1 Emissivity Adjustable: 0.95(fixed) Response Time and Wavelength: 500ms and (8-14)um Repeatability: 1% or1 Resolution: 0.1 or 0.1 Storage Temperature: -20-50 (-4-122) Operating Temperature: 0-50 (32-122) Package Included 1x Etekcity ETC-8750 thermometer 1x 9V DC battery 1x Padded, protective carrying case with belt loop 1x User's manual NOTE 1.The measuring surface is about 2cm below the infrared aiming point. 2.When the temperature is beyond measuring range, the LCD will display 'HI' and 'LO'.