SMAKN&reg; DC 9V 1A Switching Power Supply Adapter AC 100-240 100% Brand New 100V-240V Ac To Dc Charge Adapter Plastic Material. Output: Dc 9V 1A. Input:100V-240V 50-60Hz. Plug: The Outside Diameter 5.5 Mm, The Inside Diameter 2.1Mm Package Included: 1 Pce Power Adapter