Power Specifications: AC Input: 100-240V 50/60Hz; DC Output: 5V 6V 7.5V 9V 12V 13.5V 15V 3A Max.; Cable Length: 5ft/1.5m; DC Plug: 5.5 2.1mm; Polarity: Center Positive (+). Outer Negative (-). DC Output: 5V, 6V, 7.5V, 9V, 12V, 13.5V, and 15V 3AMax.;.