Features: Handheld infrared thermometer with high performance and high accuracy. Digital LCD display 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. Specifications: Color: Yellow,Orange,Red,Blue Material: Plastic Measurement range: -50C-600C(-58F-1112F) Accuracy: 0C-600C (32F-1112F): 1.5C(2.7F) -50C-0 C(-58F-32F): 3C(5F) Repeatability: 1C or 1% of 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 ~ 14m Storage Temperature: -20C-60C(-4F to 140F) Operating temperature: 0C-40C(32F-104F) Operating Humidity: 10-90% RH non-condensing Power: AAA*2(not include) Package Size:16*11*4.5cm Package Weight: 120g Package List: 1xThermometer 1xUser Manual