Purchased new from an authorized retailer and used for about 8 months. The battery is still inside, so you can check the operation immediately. I confirmed that it works without any problems. There are no stains or marks on the main body, but please understand that it has been stored at home in its box. ※Additional Information※ Purchased in the winter of 2022 and used for about 8 months. When not in use, the battery was removed and stored in the box. Operation was confirmed on February 15, 2026, by checking if it would operate without being touched. The instruction manual has some creases. It will be shipped in a recycled cardboard box, but if you prefer, I can ship it in a new cardboard box if you give me some extra time. BabysenseHome