Input & Output: 100-240V 50/60Hz.Output:15V-4A. USB Port: 5V-1A 65W Surface Charger also supports output power of 65W, 44W, 36W, 24W 65W Surface Pro Charger: Compatible with Microsoft Surface Pro 9 Charger ,Surface Pro 8 Charger, Surface Pro 7 Charger,Surface Pro 7+ Charger, Surface Pro 6 Charger,Surface Pro 5 Charger,Surface Pro 4 Charger, Surface Pro 3 ChargerSurface Pro 10 ChargerSurface Pro X Charger 65W Surface Charger: Compatible with Surface Book,Surface Book 2,Surface Book 3,Surface Go,Surface Go 2,Surface Go 3,Surface Laptop Go,Surface Laptop Go 2,Surface Laptop,Surface Laptop 2,Surface Laptop 3,Surface Laptop 4,Surface Laptop 5,Surface Laptop Studio,Compatible with microsoft surface charger 65W 44W 36W 24W Comprehensive Protection: 65W Surface Pro Charger with built-in safeguards can monitor temperature, voltage and other parameters in real time, protect your devices against overheating, overvoltage, Overcurrent, short-circuiting, maximumly protect your devic Wha