Kensington PCKey LE USB Notebook Protection System (64088) Simple and secure, locked protection for personal information on notebook PCs. Secures access to personal files - like school projects and financial records. Simple to use - works like an ATM card - just plug in the USB key and enter selected password. 24 hour password support available online. Powerful 128-bit AES encryption locks others out, makes hacking virtually impossible. Files stay locked, even if the notebook is lost or stolen.