^LOL!
Sorry to keep you in suspense! Here are the pics.
The control area with on/off switch and brightness dial has NISSAN embossed onto it which makes me think its a standard/option part.
Running the length of the interior pretty much:
Looking down the slots:
In the dark, this area of windscreen seems to be the target:
Anybody else got one of these? Anybdoy know what it is?
Cheers!
Tim