Range: (-27°F to 482°F) switchable to Celsius (-33°C to 250°C) Resolution: 0.1° Response Time: 1 second Accuracy: ± 2° Field of View (D:S Ratio): 8:1 Modes: Max/Min/Lock Emissivity: 0.05~1 adjustable Battery Life: 40 hours continuous use Battery: Two CR2032 batteries Display: LCD Dimensions: 22 x 50 x 110mm Weight: 80 grams