Feature 1Backlight Display: The LCD screen is backlit and also has an automatic shut off function to extend battery life and a low battery indicator. 2High Accuracy: With a distance to point ratio of 12:1, this thermometer allows you to measure your target accurately. 3Multifunctional: This temperature measuring gun can measure the surface temperature of various objects, especially below the boiling and freezing points. 4Large Measuring Range: With a temperature range of 50 to 550, this temperature measuring tool is powerful and has excellent performance. 5Widely Used: This temperature measuring gun is widely used in chemical and chemical equipment, machinery repair and maintenance, substations, industrial equipment, food processing, home living electricity and other fields.SpecificationItem Type: Digital ThermometerMaterial: ABSBattery: 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 2Measuring Distance Ratio: 12:1Emissivity: 0.1 to 1.0Response Time and Response Value Length: 500ms and (8-14) umRepeatability: 1% or 1Resolution: 0.1 or 0.1Storage Ambient Temperature: -20-50 (-4-122)Operating Temperature: 0-50(32-122)Colour Screen Function: YesFahrenheit or Celsius Conversion: YesMeasurement Maximum: YesData Hold Function: YesPower Percentage Display Function: YesLaser Target Display Selection Function: YesBacklight Display Selection Function: YesAutomatic Switch Off Function: YesLow Battery Indicator Function: Yes .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Digital Thermometer1 x Instruction