Functionality confirmed. The backup battery is also working. The instruction manual has a few creases. The box has a dent. Damaged areas are shown in the photos, but please understand that this is a used item and may have some signs of wear. Shipping within Japan is included, and will be sent via standard mail. We only ship on Mondays and Thursdays. Thank you for your understanding. We offer a one-week guarantee from the date of arrival.