RadioShack Dual USB International Power Adapter Works with outlets found in Australia, Central America, China, Continental Europe, Hong Kong, Japan, the Middle East, New Zealand, North America, Singapore, South America and the United Kingdom Dual USB ports can charge 2 devices simultaneously Integrated child safety shutter + Single plug safety protection Built-in 8A fuse protection + LED indicator USB output: 5V DC, 1A (2 ports) Input: 100-240V AC (880W max. at 110V AC, 1840W max. at 230V AC)