Securedigital sd sdhc card memory size 32 gb write speed 4 mbs file format fat32 operating voltage 27 36 v device class car radio macbook tv dslr digital camera camcorder computer printer labeling field functions write protection switch manufacturers warranty 5 years sdhc class 4 operating temperature 25 to 85 c dimensions 32mm x 24mm x 21mm weight 2 g