Feature 1High in Accuracy: Wide in test range and high in accuracy, this digital thermometer gun enables easier operation for temperature testing. 2Infrared Testing: Infrared detection can test the surface temp beyond the boiling point or below the freezing point with quick response. 3Good LCD Display: Backlight LCD screen with low power indicator can clearly display the data, which will also largely simplify the testing. 4Wide Application: Allows for flexible utilization in chemical equipment, machinery maintenance food processing, household electricity, etc. 5Varied Functions: Moreover, this temperature tester comes with various functions such as and conversion, automatic shutdown and so on.SpecificationItem Type: Infrared Thermometer GunModel: DT8550DHMaterial: ABSBattery: 2 x 1.5V AAA, without battery.Use: Widely used in chemical and chemical equipment, machinery maintenance, substation, industrial equipment, food processing, household electricity and other fields. Measuring Range: -50 ~ 550, that is, -58 ~ 1022. Temperature Measurement Accuracy: 2% or 2 Measuring Distance Ratio: 12:1Emissivity: 0.1 to 1.0Response Time and Response Value Length: 500ms and 8-14um. Repeatability: 1% or 1 Resolution: 0.1 or 0.1 Storage Ambient Temperature: -20-50, -4-122. Operating Temperature: 0-50, that is, 32-122. Measured Maximum Value: YesFahrenheit and Celsius Conversion: YesLaser Target Display Selection Function: YesBacklight Display Selection Function: YesData Retention Function: YesAutomatic Shutdown Function: YesLow Battery Display 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 Infrared Thermometer Gun1 x User Manual