Securedigital sd sdhc card memory size 8 gb read speed 6 mbs write speed 6 mbs file format fat32 operating voltage 27 36 v device class car radio macbook tv dslr digital camera camcorder computer printer functions write protection switch sdhc class 6 operating temperature 15 to 65 c dimensions 32mm x 24mm x 21mm weight 2 g note product may contain offers with different speeds