Infrared Thermometer, Sighting Type Circular, Secondary Measuring Method No Secondary Measuring Method, Emissivity Adjustability Adjustable, Distance To Spot Ratio 12:1, Alert Type Light, Sound, Field of View Not Applicable, Minimum Emissivity Setting 0.10, Maximum Emissivity Setting 1.00, Minimum Temperature Measured Degrees F -25.6 Degrees F, Maximum Temperature Measured Degrees F 1,112 Degrees F, Minimum Operating Temperature Degrees F 32 Degrees F