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: Black;  Material: Plastic;  Measurement range: -50°C-600°C(-58°F-1112°F);  Accuracy: 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% of 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 ~ 14μm;  Storage Temperature: -20°C-60°C(-4°F to 140°F);  Operating temperature: 0°C-40°C(32°F-104°F);  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