Securedigital sd sdhc card memory size 32 gb read speed 30 mbs write speed 22 mbs bus interface uhs i file format fat32 operating voltage 27 36 v series lexar premium device class car radio macbook tv dslr digital camera camcorder computer printer functions write protection switch manufacturers warranty 10 years sdhc class 10 dimensions 32mm x 24mm x 21mm weight 2 g