With its unique dial to open and close the retractable connector, the Cruzer Dial USB flash drive offers reliable USB storage and a design thats both handy and handsome. Create a private folder on your drive with SanDisk SecureAccess software2. This 128-bit AES encryption software makes it easy to password-protect critical files. Drag and drop files into the vault, and theyll be protected. The amount of capacity you need depends on the types of files you have, how big they are, and how many there are. The chart above gives you an idea of how many photos, videos, music and office files you can store for each capacity. Capless. Read; write; erase. USB 2.0 compatibility. Password protected. Manufacturers 5 year guarantee.