Specifications Infrared Type K Ranges (Resolution): 14 to 230°F (0.1°); 14 to 662°F (1°) -10 to 110°C (0.1°); -10 to 350°C (1°) -50 to 1999°F (1°) -10 to 1230°C (1°) Accuracy: <300°C: ±(2% rdg) or 3°F/2°C ±(1% rdg + 2°F/1°C) Target Ratio: 6:1 (Example: at 6" distance, target size is 1") Power: 9V Battery Dimensions: 7.7 x 4.7 x 2.3¡± (195 x 120 x 58mm) Weight: 9.6oz (265g)