Temperature range -30°C to 650°C (-22°F to 1202°F) Accuracy ±1.0°C or ±1.0% of reading, whichever is greater -10°C to 0°C: ±2.0 -30°C to -10°C: ±3.0 Response time (95%) < 300 ms (95% of reading) Spectral response 8 to 14 microns Emissivity 0.10 to 1.00 Optical resolution 12:1 (calculated at 90% energy) Display resolution 0.1°C (0.2°F) Repeatability of readings ±0.5% of reading or < ±0.5°C (1°F), whichever is greater Power AA battery Battery life 8 hours with laser and backlight on