Securedigital sd sdhc card memory size 32 gb read speed 30 mbs write speed 30 mbs memory type slc file format fat32 operating voltage 27 36 v 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 dimensions 32mm x 24mm x 21mm weight 2 g