Control Co.'s Traceable Infrared Thermometer displays both Fahrenheit and Celsius of any surface-solids, semi-solids and liquids, taking readings in less than a second. Temperature range is -27 degrees F to 428 degrees F and -33 degrees C to 220 degrees C, with a resolution is 0.1 degrees. The 3-1/4" by 3/4" unit features a handy pocket clip, key-chain and lanyard, and weighing .75 oz.