- It is a kind of USB key used to protect the computer data, avoid system down/data destroy
- This product realizes the security work to the documents and operation system through the following ways:

1. Freezing partitions: to freeze the designated partition of hard disc. (All the operations are temporary; when the computer is shut off; all the data will got recovered)

2. Open directories: the directories in frozen partitions (e.g. my document and desktop) are frequently used, so they can be set as "opened directories" so that it can be rewritten and saved and it will not influence our normal operation habit

Working Rule:
- Install driver with Windows's Icebox USB key plug into computer, select the protected partitions, then reboot to finish installation
- Plug the Windows's Icebox USB key out, then the protected partitions can only read. Writing on the partitions can not be saved except you unprotect the partitions with Windows' Icebox USB key plug into computer

System Requirements:
- CPU: Pentium 800 and above
- Memory: above 128M
- Hard Disc: 3-5G free space is needed
- Support Window 2000/XP/Vista

Dimension: 60 x 16 x 6mm
Weight: 10g