Item Type: Infrared Thermometer Gun_x000D_ Model: DT8550DH_x000D_ Material: ABS_x000D_ Battery: 2 x 1.5V AAA, without battery._x000D_ Use: Widely used in chemical and chemical equipment, machinery maintenance, substation, industrial equipment, food processing, household electricity and other fields. _x000D_ Measuring Range: -50 ~ 550, that is, -58 ~ 1022. _x000D_ Temperature Measurement Accuracy: 2% or 2 _x000D_ Measuring Distance Ratio: 12:1_x000D_ Emissivity: 0.1 to 1.0_x000D_ Response Time and Response Value Length: 500ms and 8-14um. _x000D_ Repeatability: 1% or 1 _x000D_ Resolution: 0.1 or 0.1 _x000D_ Storage Ambient Temperature: -20-50, -4-122. _x000D_ Operating Temperature: 0-50, that is, 32-122. _x000D_ Measured Maximum Value: Yes_x000D_ Fahrenheit and Celsius Conversion: Yes_x000D_ Laser Target Display Selection Function: Yes_x000D_ Backlight Display Selection Function: Yes_x000D_ Data Retention Function: Yes_x000D_ Automatic Shutdown Function: Yes_x000D_ Low Battery Display Function: Yes