Feature:1. The emissivity is adjustable, and different emissivity can be adjusted according to different materials to make the measurement more accurate.2. It is widely used in chemistry and chemical equipment, mechanical maintenance, substations, industrial equipment, food processing, household electricity and other fields.3. The temperature measurement range of this thermometer is 50550 (581022), high accuracy, 0.5 second response time, faster measurement.4. Large LCD display screen with backlight function , the measurement results can be displayed on the screen intuitively and clearly, which is convenient for reading.5. With data hold function, measurement maximum and minimum values, backlight display selection function, / conversion, high and low temperature alarm, average value, difference value, more convenient measurement.Specification:Item Type: Infrared ThermometerMaterial: ABSColor: As shown in the pictureSize: Approx.109.5x173x34mm/4.31x6.81x1.34inTemperature Measurement Range:-50-550(-58-1022)Measurement Accuracy: 100, 2% / 100, 2Response Time: 0.5 secondsEmissivity Adjustable: 0.1-1Measuring Distance Ratio: 12:1 50:1Resolution: 0.1 (0.1), no decimal point above 999.9Battery power percentage: 0%-100%Power Supply: 1 x 9V 6F22 (not included)Working Environment: 0-50, relative humidity: 10-95%RH (no condensation)Storage Environment Temperature: -20-50 (-4-122)Operating Temperature: 0-50 (32-122)Application: Widely used to measure temperature in the fields of machinery, chemical industry, ceramics, light industry, food, metallurgy, electric power, heat treatment, etc..Package List:1 x Infrared Thermometer(Battery Not Included)1 x Cloth Bag1 x Instruction ManualNote:Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.