eFreesia&reg; 9V 3A 27-Watts AC Power Supply Adapter Replacement with 5.5mm x 2.5mm for many devices Compatible with most devices that use a 9V 3A or lower AC adapter with standard 2.5mm x 5.5mm tip plug Input: 100-240V~0.6A, 50/60Hz / Output: 9V 3000mA 27W Max Tip Size: 2.5mm x 5.5mm (Inner diameter x Outer diameter) 30 day Money-Back Guarantee, and a 1-year limited warranty Power Cord included