Super Power Supply&reg; AC / DC 9V (1000mA) 1A Switching Adapter Charger Cord US Plug AC 110V~240V Converter 5.5mm x 2.1mm 5.5x2.1mm 9 Volt Input: 110-220V Output: 9V 1A Warranty: 1 Year Super Power Supply products are manufactured and tested to match or exceed OEM products. Trademarked by Super Power Supply. Sold exclusively by Super Power Supply 5.5mmx2.1mm Center Positive Tip!