Temperature Range: -20º to 320ºC Temperature Display: 0.1ºC or 1.0ºF Accuracy: ±2% Typical Distance to target: 200mm to 600mm Response Time: Approximately 0.8sec(800ms) Spectral Response: 8-14um Emissivity: Fixed at 0.95 Ambient Operating Range: 0 to 50ºC (32 to 120ºF) Relative TEMP Humidity: Tested at 93%RH at 30ºC Noncondensing Storage Temperature: -20º to 65ºC without battery Power: 9V Alkaline (Not Included) Typical battery life: 12hrs Display: Custom 3 digit 10mm LCD Distance to Spot Size: 8:1 Celcius / Fahrenheit Selection Laser Pointer Selection Data Display hold: 15 Seconds Backlight Display Selection Auto Power Shut Off Carrying Pouch