Features include: • Precise Non-Contact Measurements• 8:1 Distance to Spot Ratio• Data Hold & Auto Power Off• Built In Laser Pointer• F°/C° Switchable Button• Backlit LCD DisplayTemperature Range: -4°F to 518°F (-20°C to 270°C)Accuracy: 2% of reading or ±4°F / ±2°CDistance (D) to Spot Size (S) Ratio = 8:1Fixed Emissivity: ∑ = 0.95Battery Included