Features Backlight Display: The LCD screen is backlit and also has an automatic shut off function to extend battery life and a low battery indicator. High Accuracy: With a distance to point ratio of 12:1, this thermometer allows you to measure your target accurately. Multifunctional: This thermometer can measure the temperature of various objects, especially boiling point and below freezing point. Large Measuring Range: With a temperature range of ‑50℃ to 550℃, this temperature measuring tool is powerful and has excellent performance. Wide Application: This thermometer is widely used in chemical and chemical equipment, machinery maintenance, substations, industrial equipment, food processing, household electricity and other fields. Specification: Item Type: Digital Thermometer Material: ABS Battery: 1 x 9V 6F22 (without battery) Use: Widely used in chemical and chemical equipment, machinery repair and maintenance, substations, industrial equipment, food processing, home life electricity and other fields. Measuring Range: -50℃ to 550℃( -58℉ to 1022℉) Temperature Accuracy: ±2% or 2℃ Measuring Distance Ratio: 12:1 Emissivity: 0.1 to 1.0 Response Time and Response Value Length: 500ms and (8-14) um Repeatability: ±1% or ±1℃ Resolution: 0.1℃ or 0.1℉ Storage Ambient Temperature: -20-50℃ (-4-122℉) Operating Temperature: 0-50℃(32-122℉) Colour Screen Function: Yes Fahrenheit or Celsius Conversion: Yes Measurement Maximum: Yes Data Hold Function: Yes Power Percentage Display Function: Yes Target Display Selection Function: Yes Backlight Display Selection Function: Yes Automatic Switch Off Function: Yes Low Battery Indicator Function: Yes Package List:1 x Digital Thermometer 1 x Instruction Package List 1 x Digital Thermometer 1 x Instruction