Features: Portable infrared thermometer with high performance and high precision. Digital LCD screen with backlight, convenient to read at night. Optional temperature units: Celsius (°C) and Fahrenheit (°F). emissivity: 0.1-0.99 adjustable, long press "°C/°F" button to adjust. This digital infrared thermometer can safely and accurately measure extreme temperatures in a wide variety of environments. Note: This item is not suitable for body temperature testing. Features: Color: yellow, orange, red, blue Material: plastic Measuring range: -50°C-600°C (-58°F-1112°F) Precision: 0°C-600°C (32°F- 1112°F): ±1.5°C (±2.7°F) -50°C-0°C (-58°F-32°F): ±3°C (±5°F) Repeatability: 1°C or 1% freading Resolution: 0.1°C or 0.1°F Response time: 500mSec, 95% response Emissivity: 0.1-0.99 adjustable Distance to spot ration: 12:1 Spectral response: 8~14 μm Storage temperature: -20°C-60°C (-4°F to 140°F) Operating temperature: 0°C-40°C (32°F-104°F) Humidity Operating Range: 10-90% RH non-condensing Power: AAA*2 (not included) Package Size: 16*11*4.5cm Package Weight: 120g Package List: 1xThermometer 1x User Manual