This item is pre-owned, it was a working unit before being put away for storage. Since there is no paper to fully test the unit, it is only partially tested. A universal power supply (universal power supply NOT included) was used to power on the unit. The unit powers on fine, and responds appropriately to the buttons pressed. The battery off course will have to be replaced. No further testing was done. Overall the item looks good, it shows signs of use, handling, a...nd age such as scuffs, scratches, faded lettering, dust, discoloration, and no power adapter. The booklets/manuals shows numerous signs of use and handling. Only what is imaged is available. Since this item is vintage electronic it is being sold STRICTLY as is, no returns, for collection, restoration, parts, repair IF needed, or prop. U.S. shipping is to the lower 48 United States only.International shipping is done strictly through eBay's Global Shipping Program only.