Securedigital sd sdhc card memory size 32 gb write speed 6 mbs file format fat32 operating voltage 27 36 v device class car radio macbook tv dslr digital camera camcorder computer printer functions write protection switch standard sd 20 sdhc class 6 protective properties shockproof operating temperature 15 to 65 c dimensions 32mm x 24mm x 21mm weight 2 g