Iria

Digital photogrophers need media... it's a fact of life. You can be away on vacation or lost in the Australian bush, and inevitably you'll run out of storage space on your memory cards. You can run out even quicker if you shoot in RAW mode or have one of those new-fangled HD video cameras that eat 2GB cards for snacktime.

Digital Foci has another option: their Photo Safe II. This little device is essentially a portable hard drive and media card reader in one, complete with battery pack for complete PC independence. All you have to do is plug in your cards, press the copy button, and the files on the media card are copied to the Photo Safe's hard drive.
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Source: OCModShop