About this item Input: AC 100-240V (Worldwide use) Output: 15V 2.58A 44W Designed for Microsoft Surface Pro 3, Pro 4, Pro 5, Pro 6, Pro 7 Surface Laptop 1/2 Surface Go Surface Book. With Additional USB Port, Wall Plug and 6ft Power Cord. Multiple Safe Protection-Made from premium quality ABS+PC fireproof materials and built-in IC chip technology, with over heating protection, short circuit protection, over voltage protection and over current protection. Possess UL certification safety certificate. Wall plug and AC power cord plug-When you don't need the AC power cord, you can unplug it, replace our wall plug, when you need the AC power cord, you Plug in the 6FT power cord.easy for charging on different occasion, for travel, home, car, office, etc. USB port allows you to charge another device such as your phone/iPad at the same time.USB Port: 5V 1A USB 2.0.