The model number is "AN-500B". Operation has been confirmed. The belt has been replaced with a Mobilon band. There is discoloration and minor scratches. Since the belt has been replaced, both cassette and disc games can be played immediately. Operation has been confirmed with 5 or more discs, but discs in poor condition were not read. By attaching the attachment cable to the original Famicom adapter (850mAH), the Famicom AC adapter transforms into a Twin Famicom AC adapter. Twin Famicom main unit AC adapter AV cable AC adapter attachment cable This is a set of 4 items.