The Infrared Thermometer Can Be Used To At The Same Time Daily And Industrial Temperature Measurement, Such As Kitchen, Refrigeration, Steel, Glass, Plastics, Food, Etc. (Note: Temperature Measured For Humans Or Animals Will Not Be Correct.)&Deg;C/&Deg;F Switchable, Auto Data Hold, Backlit Lcd ;, Low Battery Indicator, Automatic Power Off Function. The 9V Battery Is Included.Easily And Quickly Measure Temperatures At Any Time. From A Safe And Harmless Distance. Note: The Diameter Of The Object To Be Test Must Be Greater Than The Size Of The Laser Spot.Built-In Red Laser; To Aim Precisely. Spot To Spot Ratio: 12:1, Ideal For Measuring A Long Distance Target.Measures Temperature Range: -50&Deg; 550&Deg;C/ -58&Deg;F At; 1022&Deg;F; The Portable And Non-Slip Design Makes It Easy To Get The Temperature At Any Time. Outside And Outside. Inside.