PluStore US Plug Travel AC Wall Charger Power Supply Adapter For Microsoft Surface Pro 4 Intel Core i5 i7 / Core M3 Tablet AC Wall charger adapter for Microsoft Surface Pro 4 Intel Core i5 i7/ Core M3 Tablet 12.3 Inch. Circuit Protection : Short Circuit Protection and Overload Protection. Lighter weight, A convenient backup charger for travel and business. We recommend you to use formal mobile power bank to charge your tablet. Cable length:1.5m, DC input:15V 2.58A, AC output:110V-220V