Battery-powered and AC adapter operation were easily confirmed, and everything seems to be working fine. In addition to the main unit, the following items are included: ・Instruction manual ・Batteries ・Box The main unit has some signs of use, such as light scratches and minor stains, but I want to sell it quickly, so I'm open to price negotiations. Please feel free to make an offer. Please refrain from purchasing if you are concerned about the condition of used items.