The beam convertor is the sort of thing they try to flog you on the ferry to France - a stick on bodge to mask off the flip up (kerb illumination) part of the dip beam on the Left side.
https://www.care4car.com/volvo/v70-2...l#.X2Dw-4t7m70
They work OK for a while but, if you are going to be somewhere, driving on the right, for a year, won't you have to register your car in that country?
A breaker in Holland or Germany will have loads of LHD headlamps I'd have thought...
Cheers
Dave