This is a Microsoft genuine AC adapter, 135W, suitable for the main unit with "12V-10.83A" printed on the back of the 360S. It can also be used for 12V-9.6A (120W main unit). Operation has been confirmed with the actual device. ・Packaging materials are reused. ・This item is also listed on other flea market sites. If purchased simultaneously, we may have to decline the sale to one of the buyers. Thank you for your understanding.