Thank you for viewing! We perform operational checks and maintenance before listing, so you can use it with confidence! ◆Operation◆ ・Operation confirmed with both battery and power supply. Works well without scratchiness or noise. ・Simple cleaning performed. ・Grease applied to the gear section, and silicone applied to the pedal shaft. ・Rubber feet replaced. ◆Included Items◆ ・Main unit only Please ask if you have any other questions.