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 ‑50℃‑550℃ (‑58℉‑1022℉), 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. Item Type: Infrared Thermometer Material: ABS Color: As shown in the picture Size: Approx.109.5x173x34mm/4.31x6.81x1.34in Temperature Measurement Range:-50℃-550℃(-58℉-1022℉) Measurement Accuracy: ≥100℃, ±2% / ≤100℃, ±2℃ Response Time: 0.5 seconds Emissivity Adjustable: 0.1-1 Measuring Distance Ratio: 12:1 50:1 Resolution: 0.1℃ (0.1℉), no decimal point above 999.9 Battery 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. 1 x Infrared Thermometer(Battery Not Included) 1 x Cloth Bag 1 x Instruction Manual