Infrared Thermometer, Sighting Type Dual, Secondary Measuring Method Type K Thermocouple, Emissivity Adjustability Adjustable, Distance To Spot Ratio 50:1, Alert Type Sound, Minimum Emissivity Setting 0.10, Maximum Emissivity Setting 1.00, Minimum Temperature Measured Degrees F -76 Degrees F, Maximum Temperature Measured Degrees F 2,732 Degrees F, Minimum Operating Temperature Degrees F 32 Degrees F, Maximum Operating Temperature Degrees F 122 Degrees F, Body Style Full Size