Feature:1. WORKING RANGE: The temperature measurement range is 50530 (58986), especially suitable for measuring temperatures above boiling and below freezing, applied to cooking, barbecue, car maintenance, power repair, and other tasks.2. HIGH ACCURACY: This thermometer fully utilizes the 12:1 distance spot ratio to help you measure farther distances. For better accuracy, it is recommended to have a distance of about 36cm (14.2 inch) between the thermometer and the object.3. MULTIPLE FUNCTIONS: Pull the trigger to start dynamic real time temperature detection, supporting self calibration, maximum and minimum values, and unit selection, data holding, backlight on off, and automatic power off functions.4. ENERGY SAVING: This industrial temperature gauge is powered by 2 AAA batteries (not included), making it convenient to use anytime, anywhere. With automatic shutdown and low battery indicator function, extending battery life.5. APPLICABLE SCENES: This handheld thermometer is suitable for measuring the temperature of object surfaces and is suitable for kitchen, garage, HVAC installation, home maintenance, commercial heating, and other fields.Specification:Item Type: Industrial ThermometerMaterial: ABSBattery Type: 2 x AAA Battery (not included)Measurement Range: -50-530 (-58-986)Accuracy: 1.5, 1.5 percent Resolution: 0.1, 0.1Distance to Spot Ratio: 12:1Emissivity: 0.10-1.00 Adjustment (0.95 preset)Maximum Minimum Value: YesSelf Calibration Function: 5Selectable Units: YesColor Screen Display: YesData Hold Function: YesCurrent Environment Temperature: YesAuto Power Off: YesBacklight On Off Optional: Yes.Package List:1 x Industrial Thermometer1 x User Manual