Surface 65W power adapter ModelA1706 Power: 65W (full power) Input: 100-240V-1.6A,50/60Hz Output15V-4A/USB-A:5V-1A Size: 95X50X25mm DC cable length: 1.8M Certified SafeCE/FCC Including: Adapter and Wire and Plug Warranty : 12Months Condition:100%New and good working Fit with All Surface which has Surface Connect Charging Port: Surface Pro 3 Surface Pro 4 Surface Pro 5 Surface Pro 6 Surface Pro 7 Surface Pro X Surface Pro 8 Surface Laptop Go Surface Laptop 1 Surface Laptop 2 Surface Laptop 3 Surface Laptop 4 Surface Book 1 Surface Book 2 Surface Book 3 Surface Go Surface Go 2 Surface Go 3 [Certified for Safety]:Products Are UL, CE, FCC, RoHS Certified for Safety, We Focus On Providing Quality Power Products . [Adaptive Fast Charging]: With Smart IC technology, the charger will automatically detect your devices and provide the fastest possible charging speed up to 65W. [Superior Safety]: Intelligent circuit design protects against short circuiting, over-heating, over-current, and over-charging. Charging stops when battery is full. Without any risk of overheating or damaging your devices, providing a safe charge.