Argosy HD182 USB 2.0 20GB Portable External Photo HardDisk Argosy USB 2.0 20 GB Portable External Photo HardDisk General Features: Pearl White 20 GB 1.8-inch 4200 RPM Hard Drive File System: FAT32 USB 2.0 interface Display: 1.8-inch (1280 x 64) B/W LCD with Blue Backlight Four (4) Control Keys Direct copy from flash media to internal HDD without a PC Rugged design Battery charged via USB bus power