GENERAL IRT659K Infrared Thermometer, 9V. More details: Infrared Thermometer, Temp. Range (F) -58 Degrees to 1202 Degrees F, Temp. Range (C) -50 Degrees to 650 Degrees C, Focus Spot Size and Distance 1 In. @ 12 In., Accuracy +/-2.0 Percent, Emissivity Adjustable 0.10 to 1.00, Laser Sighting Single Dot, Battery Type 9V, Data Logging No, Alarm High/Low, Alarm Indication Audible/Visual, Data Hold Automatic After Trigger Is Released, Display Backlit LCD, Resolution 0.1 Degrees F/C, Spectral Response 8.0 to 14 uM, Response Time 500 msec