This Digi-Sense WD-20250-07 is a dual infrared thermometer with type K input for contact measurement and comes with USB interface, 30:1 Distance to Spot size ratio, adjustable emissivity, large backlit display, Min/Max and Hold functions, °F/°C selectable units, dual targeting laser and auto power-off. Meter is precalibrated and comes with NIST-traceable standards certificate.