Features: MEASURING RANGE: The IR temperature measurement range is -50°C~580°C(-58°F~1076°F), with high resolution,  0.5 second response time, faster measurement. ADJUSTABLE EMISSIVITY: The emissivity can be adjusted and different emissivity can be adjusted according to different  materials to make the measurement more accurate. ADVANTAGES: With data holding function, measure maximum value, backlight display selection function, Fahrenheit/Celsius  conversion, more convenient reading. WILD RANGE OF APPLICATION: Widely used in chemistry and chemical engineering, mechanical maintenance, substations,  industrial equipment, food processing, household electricity and other fields. CLEARLY DISPLAY: Large LCD display screen with backlight , the measurement results can be displayed on the screen intuitively and  clearly, which is convenient for reading. AUTO OFF: Auto power-off activates after 6s of no operate, so you never accidentally run out of battery (battery included). Specifications: Item Type: Infrared Thermometer Material: Plastic Color: Green+Black Distance Spot Ratio: 12:1 Measuring Angle: 45°~60° Temperature Range: -50°C~580°C(-58°F~1076°F) Battery: 2 x 1.5V AAA Batteries(not included) Auto Off: 6s Measuring Time: ≤0.5s Relative Humidity: ≤90% Temperature Unit: °C/°F Emissivity: 0.1-1.00 Adjustable Size: Total Length: About 194.1mm/7.64inch, Hnadle Length: About 147.8mm/5.82inch, Infrared Thermometer Head Length: About 70.9mm/2.79inch, Infrared Thermometer Head Width: About 47.8mm/1.88inch, Infrared Thermometer Head Height: About 46.1mm/1.81inch, LCD Screen Width: About 24mm/0.94inch Package Includes:  1Pc * Infrared Thermometer 1Pc * User Manual