Super Power Supply&reg; AC / DC Battery Adapter Charger Cord for Sega Genesis 2 Sega Genesis 3 Mk-2103 Game Gear NOMAD Wall Barrel Plug Input: 110-220V Output: 9V 1A Warranty: 1 Year Super Power Supply are manufactured and tested to match or exceed OEM products. Trademarked by Super Power Supply. Sold exclusively by Super Power Supply