Optimum Orbis Ac Adapter for Microsoft Surface 3 10.8-Inch, 64GB, 128 GB, Intel Atom, Windows 10, Windows 8 Tablet 13w Charger Power Supply Cord Power: Input 120V-240V/ 50-60Hz Output :5.2V 2.5A 13W Optimum Orbis ac adapters are CE, FCC, RoHS certified for safety. Protection: Short circuit, over current protection, over voltage protection, over temperature protection. Designed to meet or exceed your original manufacturer's ac adapter Warranty info: Order your replacement ac adapter backed by our 30 day money back guarantee, 18 months warranty; 24/7 email support, free exchange. Package includes: 1 AC adapter