Securedigital sd sdhc card memory size 8 gb read speed 30 mbs bus interface uhs i file format fat32 operating voltage 27 36 v series sony sd experience device class car radio macbook tv dslr digital camera camcorder computer printer functions write protection switch manufacturers warranty 5 years sdhc class 10 protective properties x ray resistant temperature resistant shockproof operating temperature 25 to 85 c dimensions 32mm x 24mm x