Wintact WT327B portable infrared thermometer, measuring range: -50 to 600 degrees Celsius This infrared thermometer is used to measure surface temperature. It is suitable for safe, fast, non-contact measurement of various hot, dangerous, or hard-to-reach objects. Parameters 1. Temperature Range: -50°C to 600°C (-58°F to 1112°F) 2. Accuracy: Below 0°C (32°F): +-3°C (+-5°F); Above 0°C (32°F): +-1.5°C (+-2.7°F) or +-1.5%, whichever is greater 3. Repeatability: 1% of reading or 1°C, whichever is greater 4. Response Time: 0.5 seconds, 95% responsivity 5. Emissivity: Adjustable from 0.10 to 1.00 (preset to 0.95) 6. D:S: 12:1 7. Response Wavelength: 5µm to 14µm 8. Power Off Time (No Operation): Approximately 7 seconds 9. Battery: 1.5V AAA battery x 2 (Not included with this product) 10. Low Battery Indicator: A low battery indicator will be displayed when the battery voltage drops below 2.5V. 11. Overload Indicator: The LCD displays HiLo. 12. Exceeding the upperlower operating range: The LCD displays AHAL. 13. Operating Temperature: 0-40°C (32-104°F) 14. Storage Temperature: -10-60°C (14-140°F)