[keMO]

maybe like this:

you specify a limit. and a second box with dropdown menu
set to [ ] KB per second in [choose ]
_______________________[ 5 min ]
_______________________[ 10 min ]
_______________________[ 15 min ]
_______________________[ 20 min ]
_______________________[ 30 min ]
_______________________[ 60 min ]
_______________________[ 120 min]

and so on.


Regards

keMO