Infrared/ Digital Display With Backlight/ Measures -58 To 626 Degree Fahrenheit And -50 To 330 Degree Celsius; Use To Check Temperature Of Heater Vents/ Air Conditioners/ Engines/ Mufflers/ Tires/ Brakes/ Leaks Around Windows Or Doors; Yellow; +/- 1.5% Accuracy; 500 Milliseconds Response Time; 12:1 Distance To Spot Ratio; With 2 AAA Batteries.