Accessory USA 1A AC Converter Adapter for DC 6V 300mA 0.3A Power Supply Charger 5.5mm x 2.1mm 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 : 6V 1A inside:"+" outside:"-"