Accessory USA AC 100V-240V Converter Adapter DC 9V 2A 2000mAh Power Supply 4.0/1.7mm Plug US Products trademarked Accessory USA are marketed and sold exclusively by Accessory USA Store. Warranty:30 days Money Back Promised/60 Days Free Exchange With Paid Return Label/365 Days Anytime Worry-Free Warranty!**100% MONEY BACK GUARANTEE !! IF OUR PRODUCT CAN NOT WORK WELL** Output : 9V 2A