It converts any USB drive into a security token for your computer and allows to access Windows in a secure way by USB token, replacing the Windows login.
 

Secure Access to:
Personal computer with Windows 2000/ XP/ Vista
Windows 2000/ 2003/ 2008 Active Directory
Novell e-Directory
Windows 2003/2008 Remote Desktop
Your Computer security benefits:

Replaces weak password based login with a hardware USB key (USB flash drive or memory card)
Uses big password, without the need for remembering it
Login with a USB Key is fully automatic and fast!
The system is password protected but you don't need to enter it manually each time you log in or unlock Windows
Secure 2-factor login: Your USB Key + PIN code password
Use a single USB Key to sing-in into your Home, laptop and office computer
Access restriction to computer based on USB Key/time factor
Windows is protected even in Safe Mode
Assigning a password to your user account allows to set a better protection for hibernated computer.