Merit Instruments HHDL-TC Series dual temperature display digital thermometer comes loaded with features, including a built-in data logger capable of storing up to 61440 data points. Unit comes standard with Type J, Type K and Type T probes, switchable F, C & K temperature display, 3 AA batteries and a protective carrying case...all with a standard 5 year warranty. For full specifications, please visit our product data sheets page and download the product pdf.