1The emissivity is adjustable, and different emissivity can be adjusted according to different materials to make the measurement more accurate. 20.5 second response time, faster measurement, high and low temperature alarm setting, measurement and reading are more convenient. 3With data retention function, measuring maximum and minimum values, backlight display, / conversion, average value, difference and other functions. 4Widely used in chemical and chemical equipment, mechanical maintenance, substations, industrial equipment, food processing, household electricity and other fields. 5The shell is made of highquality ABS material, wearresistant and durable, not easy to damage, high temperature resistance, and long service life. Item Type: ThermometerMaterial: ABS Temperature Measurement Range -50-1100 (-58-2012) Temperature Measurement Accuracy 100, 2 /100, 2 Response Time 0.5 Seconds Adjustable Emissivity 0.1-1 Measuring Distance Ratio 12:1 50:1 Resolution 0.1 (0.1),>999.9 No Decimal Point Battery Power Percentage 0%-100% Power Supply 1 x 9V 6F22 Battery (Battery Not Included) Working Environment Working Temperature: 0-50 Relative Humidity: 10-95%RH (Non-Condensing) Storage Environment Temperature -20-50 (-B114-122) Operating Temperature 0-50 (32-122) 0-50 (32-122)