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: 0.95 preset 0.10adjustable, 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. Function: Easy one-hand operations LCD with backlight ON / OFF Switch Low battery indicator LED backlight system C / F temperature unit conversion Automatic Power-off after 7 seconds without activity Display hold Scan function Specifications: Measurement range: -50 ° C to 550 ° C (-58 ° F to 1022 ° F) Accuracy: -50 ° C to 0 ° C (± 3 ° C), 0 ° C to 100 ° C (± 1.5 ° C), 100 ° C to 550 ° C (± 1.5%) Repeatability: 1 ° C or 1% of reading Resolution: 0.1 ° C or 0.1 ° F Response Time: 500mSec, 95% response Emissivity: 0.95 Preset Distance To Spot Ration: 12: 1 Spectral response: 8 ~ 14μm Storage Temperature: -20 ° C to 60 ° C (-4 ° F to 140 ° F) Operating temperature: 0 ° C to 40 ° C (32 ° F to 104 ° F) Operating Humidity: 10-95% RH non-condensing, up to 30 ° C (86 ° F) Battery: 2*AAA(Not included) Package Weight: 146g/5.1oz Package Size:15.6*8.8*4.3cm/6.1*3.5*1.7in Package List: 1*Thermometer