Thank you for viewing. There are small scratches from use. Please check the condition in the photos and only purchase if you are satisfied. The items to be sent this time are all shown in the photos. Main unit and adapter. There is no instruction manual, so please refer to the internet. Simply place it under the mattress and Sekisui's uniquely developed sensor will notify you when you get up! By detecting getting up, potential risks can be avoided. A separate dedicated app may be required. ● Main unit size: 800 x 230mm ● Main unit thickness: Casing part 23mm, Sheet part 1mm ● Main unit weight (including AC adapter): Approximately 570g ● Main unit material: Polyolefin, PVC, ASA ● AC adapter: AC100V, 50/60Hz The above description is a copy of the product information. There may be errors. Please understand. To prevent trouble, please refrain from purchasing if you have any concerns, if you are looking for a perfect product, or if you are particular about the product condition. I try to explain the condition as clearly as possible, but there are individual differences in expression and perception, and there may also be oversights. Please consider purchasing after understanding that this is a used item. You can purchase this product immediately. The scheduled shipping date is listed in my profile, so please take a look and purchase if you agree. This product will be packed with air cap (bubble wrap) and shipped. Please understand. We are also waiting for your consideration and inquiries. Also, I am regularly listing various items. Please take a look at my other listings! Following is also welcome!! Thank you. Nursing care Bed Mattress