Kingston 16 GB Class 4 MicroSDHC Flash Card with SD Adapter SDC4/16GB Storage temperatures is -40F to 185F (-40C to 85C) Operating temperatures is -13F to 185F (-25C to 85C) Compliant with the SD Card Association card 3.00 specification High-Speed Class Rating - Class 4: 4MB/sec. minimum data transfer rate File Format is SDHC File Format - FAT32 High-Speed Class Rating - Class 4: 4MB/sec. minimum data transfer rate Compliant with the SD Card Association card 3.00 specification File Format is SDHC File Format - FAT32 Operating temperatures is -13F to 185F (-25C to 85C) Storage temperatures is -40F to 185F (-40C to 85C)