Package includes: 1x KABCON 127W Power Supply, 1x the Extra-long Power Cord 6.2Ft, 1x Manual, 1x Travel Case. About warranty: 1 Year Warranty with Replacement Coverage. Input: AC 100-240V (Worldwide use) Output: 15V 8A 127W. USB Port: 5V 1A USB 2.0. The charger also supports output power of 102W(15V 6.33A), 65W(15V-4A), 44W(15V-2.58A), 36W(12V-2.58A) and 24W(15V-1.6A). Come with the USB port allows you to charge another device such as your phone at the same time, safe and fast charging new experience. The charger manufactured with the highest quality materialsthe intelligent chip inside, the power supply provides strong protection against Current Protection, Short-circuit Protection, Voltage Protection,Temperature Controls, Fire-Resistance and Grounded Protection. Designed to be compatible for Surface Book 3, Surface Book 2, Surface Book, Surface Laptop 5, Surface Laptop Go 2, Surface Pro 9, Surface Pro 7+, Surface Laptop Studio, Surface Laptop 4, Surface Laptop Go, Surface Laptop 3, Surface Laptop 2, Surface Laptop, Surface Pro 8, Surface Go 3, Surface Pro X, Surface Pro 7, Surface Go 2, Surface Pro 6, Surface Go, Surface Pro 5 (2017), Surface Pro 4, Surface Pro 3. KABCON 127W Power Supply quickly recharges the Surface device, come with the USB port allows you to charge another device such as your phone at the same time. Safe and fast charging new experience.