Amps4AVoltage15 VWatts60WOutput: 60W 15V 4A  Pin type:Surface Connector.Adapters are made from high-quality parts and assured for its good quality, durability, and performance Adapters are made from quality parts and confirm the specifications similar to your laptop requirements.Adapters are equipped with a protection circuit that protects your laptop.Compatible Model NameMicrosoft Surface BookMicrosoft Surface Book 2Microsoft Surface GoMicrosoft Surface LaptopMicrosoft Surface Laptop 2Microsoft Surface Laptop 3Microsoft Surface Pro (5th Gen)Microsoft Surface Pro 3Microsoft Surface Pro 4Microsoft Surface Pro 6Microsoft Surface Pro 7Microsoft Surface Pro X