Specifications: Emissivity: 0.1~1.0 Distance Spot Ratio: 12:1 Response Spectrum: 8~14um Laser : <1 mW/630-670nm,Level 2 Laser target pointer: 12 point Circle Response Time: <0.5 second Automatic Shutdown: 30 Seconds Power: 2* AAA Batteries (Included) Accuracy: ± 1°C/2°F IRT Temperature: -50°C~550°C/-58°F~1022°F Storage Temperature: 14°F~140°F Package: 2* AAA Battery 1* User Manual 1* Temperature Gun