Item Type: Digital Thermometer_x000D_ Material: ABS_x000D_ Battery: 1 x 9V 6F22 (without battery)_x000D_ Use: Widely used in chemical and chemical equipment, machinery repair and maintenance, substations, industrial equipment, food processing, home life electricity and other fields._x000D_ Measuring Range: -50 to 550( -58 to 1022)_x000D_ Temperature 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 (8-14) um_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(32-122)_x000D_ Colour Screen Function: Yes_x000D_ Fahrenheit or Celsius Conversion: Yes_x000D_ Measurement Maximum: Yes_x000D_ Data Hold Function: Yes_x000D_ Power Percentage Display Function: Yes_x000D_ Laser Target Display Selection Function: Yes_x000D_ Backlight Display Selection Function: Yes_x000D_ Automatic Switch Off Function: Yes_x000D_ Low Battery Indicator Function: Yes