Surface Pro 3/Pro 4 Charger, YPOWER 12V/2.58A Wall Magnetic Replacement Charger Adapter Power Supply for Microsoft Surface Pro 3/Pro 4 Intel Core i5 i7 Tablet (US Plug) Magnetic Charger Supply for Microsoft Surface Pro 3/Pro 4 Intel Core i5 i7 Tablet Input (AC):100V-240V 50/60Hz , Output: 12V 2.58A, Total 8.2ft cable length , US type version plug IC chip technology power indicator shows the power state Short Circuit Protection and Overload Protection All products has been tested and validated 100% Brand new and high quality