Super Power Supply&reg; AC / DC Adapter Charger Cord Plug - 9V 650mA compatible with Arduino Freeduino Duemilanove Uno Mega Hobby Electronics Adapter Voltage Input Range: AC 9V 650mA NEW! Super Power Supply AC adapters are made with high quality materials. Safety features against short circuit, internal overheating, incorrect voltage, 100% compatibility with the original. FCC certified. Super Power Supply are manufactured and tested to match or exceed OEM products. Warranty: 1 Year Trademarked by Super Power Supply. Sold exclusively by Super Power Supply