... high speedCapacity128MB, 256MB, 512MB, 1GB, 2GB,4GB,16GB(Optional)Storage DeviceRemovable Storage DeviceCard typeN/AA-B RepeatAvailable VBRAvailable Technical SpecificationRead speedSLC:5 ... ~ +55; Other Flash:-0 ~ +55Operation Relative Humidity*20% ~90%(40C)Storage Relative Humidity*20% ~93%(40C)SizemmL*W*H : 44x29.5x13 ...