SEGA Master system MK-2000 M4J working condition console only vintage rare Japanese

This item is MK-2000 console only.
This console is Japanese version M4J, there is not RF out.
Good working cartridge and My card slots. 

Video image of For SG-1000 softs are little dark.

This console is little yellowed.

Some scratches/scuffs from usage.
Please, reference the photo to see conditions.

If you have question this item, please feel free to sent message.