The 52225-A Dual Temp Plus features both infrared and contact thermometer technologies. The infrared function includes advanced 30 : 1 optics to measure small targets at longer distances, laser targeting, programmable HI/LO alarms, adjustable emissivity and Lock Mode to capture temperature readings. The contact function offers a built-in K type jack and comes with a 3 ft. (1 meter) wire thermocouple probe. Specifications: • Non Contact Temperature Range: -76 to 1400˚F (-60 to 760˚C) • Thermocouple Temperature Range: -83 to 1999˚F (-64 to 1400˚C) • Field Of View: 30 : 1 • Display Illumination: Backlit LCD Color display • Target Indicator: Single Laser Spot • Emissivity: 0.10(10E) to 1.0 (100E) • Resolution: 0.1˚F / 0.1˚C • Modes: MIN, MAX, DIFF & AVG • Accuracy: +/-2˚C (4˚F) or +/-2% of reading • Thermocouple Probe Accuracy: +/-1% of reading or 1˚C (1.8˚F) whichever is greater • Response Time: 1 seconds • Power Off: Automatic after 60 seconds • Battery Life: Approx. 14 hrs. • Included Accessories: 2 AAA batteries, instruction manual, plastic molded carrying case and free dial thermometer