Maxtor OneTouch 4 Lite 750 GB USB 2.0 Desktop External Hard Drive STM307504OTA3E1-RK Backup all your files with one touch of the button or automated scheduling Simple Maxtor user interface for drive management, security, and backup scheduling Two levels of security against unauthorized use - Maxtor DrivePass and data encryption Simple Maxtor user-interface drive management, security and backup scheduling Drive and power management utilities; 5-year limited warranty