Does somebody know someting about this device?

picture 1
picture 2
picture 3
picture 4
picture 5

It is for sale, but the seller itself can't give eny information.
And there is also no driverdisk with it.

I think this is a floppydrive to be connected to the parallel port.

The only thing i found are a few advertisments from de late 1993 inside "PC magazine" for example: 7 dec 1993 (page547).