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 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 functions write protection switch sdhc class 10 operating temperature 25 to 85 c dimensions 32mm