Cubeternet Premium Power Supply 5.0v 2.0A (2000mA) AC/DC Adapter for USB HUB and 2.5-inch HDD Enclosure Input: 100-240 V AC 50/60 Hz Output: 5V, 2.0A (2000 mA) Certified by UL, FCC Connector Plug Spec: Inner Diameter: 1.35 mm; Outer Diameter: 3.5 mm; Length: 10 mm; Polarity: Center+ Cord Length: 4 ft 10 inch (about 145 cm); Powered USB Hub enabler