User Agent String.Com 

User Agent String explained :

Opera 9.63
Opera	Name : Opera
9.63	Browser version
Windows NT 6.1	Operating System: Windows 7
U	Security values: N for no security U for strong security I for weak security
hu	Language Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface) hu = Hungarian
Presto	Layout engine for Opera
2.1.1	Version 2.1.1
Last visit:	2009.02.05 11:32
All Opera user agent strings