This is a set of a SONY VAIO port replicator and a 19.5V power adapter. It was working without problems until recently, but since it is a used item, we cannot guarantee its operation. The included accessories are only those shown in the photos. We cannot provide support regarding compatible PCs or how to use the product, so please purchase only if you understand how to handle the product. - Brand: SONY - Model Name: VAIO Docking Station - Model Number: VGP-PRZ10 - Power Adapter Output: 19.5V - Included Accessories: Power Adapter Thank you for viewing.