After one year charges 300USD/year for updating or 50usd/time. After you get charged, please update within 24 hours, or it may be invalid .
5. Hardware And Software Requirements:
Hardware requires at least Intel Celeron/Pentium 2.0GHz, 2G RAM, USB 2.0 recommended and Microsoft Windows 2000/XP/Vista/7 latest service pack installed.
6. If you buy the software for all computers, please use it on the computer with COM Port, it is more stable than the connection by PCMCIA Card.