Features: High performance, high accuracy portable infrared thermometer. Digital LCD display with retro- illumination, convenient to read at night.Optional temperature units: Celsius (C) and Fahrenheit (F).Emissivity: 0.95 preset 0.10 adjustable, long press the "" button C or F" 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-handed operations LCD with backlight On or off switch Low battery indicator LED backlightC or F temperature unit conversionPower off at automatic after 7 seconds of no activity Standby display Scan function Features: Measuring range: -50C to 550C (- 58F to 1022F) Accuracy: -50C to 0C (3C), 0C to 100C (1.5C), 100C to 550 C (1.5 percent ) Repeatability: 1C or 1 percent of reading Resolution: 0.1C or 0.1F Response time: 500mSec, 95 percent of response emissivity: 0.95 preset Distance to spot ration: 12:1 Spectral response: 8-14 m Storage temperature: -20C to 60C (-4 F to 140F) Operating temperature: 0C to 40C (32F to 104F) Operating humidity: 10-95 percent RH non-condensing, up to 30 C (86F) Package weight: 146g or 5.1 oz Package size: 15.6 x 8.8 x 4.3cm or 6.1 x 3.5 x 1.7 inch Package List: 1 x Thermometer