>The bottom left shows what is labeled "SEGA Base System", notice a certain word is absent.
>The bottom right shows "SEGA SegaScope 3D System", and again that certain word is conspicuously missing.
>The ratty looking box at the bottom center shows, finally, a "SEGA Master System" which is a sub-category SEGA System bundle.

The console is called SEGA System, or SEGA Video Game System.