Clickfree 2TB C6 3.5" Desktop External USB 3.0 Hard Drive: * Capacity: 2TB * USB 3.0 interface * Backward compatible to USB 2.0 * Patented Easy Run automatically backs up photos and personal files * Easy Archiver makes additional hard copy backups with the CD or DVD burner on your PC * Clickfree 2TB external hard drive is compatible with computers operating on Window Vista, Windows XP or Windows 7 * 100MB of available hard drive space required for installation * Operates on 120V and 240V electricity * Box contents: Clickfree backup drive, 32" / 80cm USB 3.0 cable, power adapter (desktop models only), Quick Start guide * Warranty: 2 years