Professional Grade Infrared Thermometer The TN400L is the workhorse model in the 400 Series of the most advanced infrared thermometers manufactured today. The Next Generation Today! Technology of SoC ~ System-On-Chip offers features and specifications to meet practically any measurement application. Features: Temperature Range: -58o to 750o F (-50o to 400o C) Distance to Spot Size Ratio of 9:1 Bright, built-in Laser provides easy aiming Accuracy +/- 2% of reading with 1/10th degree resolution Emissivity preset at 0.95 Measures Average, Maximum and Minimum temperatures Amber back-light LCD display, select C or F, Auto Off Uses 2 AAA batteries and provides 180 hours of continuous use - a tremendous savings on traditional 9 Volt models Weight and Dimensions: 7 oz. ~ 3”x 6”x 1.5”