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: -50C-600C (-58F-1112F) Precision: 0C-600C (32F- 1112F): 1.5C (2.7F) -50C-0C (-58F-32F): 3C (5F) Repeatability: 1C or 1% freading Resolution: 0.1C or 0.1F Response time: 500mSec, 95% response Emissivity: 0.1-0.99 adjustable Distance to spot ration: 12:1 Spectral response: 8~14 m Storage temperature: -20C-60C (-4F to 140F) Operating temperature: 0C-40C (32F-104F) 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