Securedigital sd sdhc card memory size 16 gb read speed 45 mbs write speed 45 mbs bus interface uhs i file format fat32 operating voltage 27 36 v series sandisk extreme pro suitable for 360 recording sports photography full hd recording 3d recording 4k recording device class car radio macbook tv dslr digital camera camcorder computer printer labeling field functions write protection switch standard sd 30 adapter without adapter dimens