I used this extension cord on a trip to Guinea where only 220VAC is available. (I had to use a separate outlet adapter to plug in outlets.) Overall, the package was fairly small and light - great for travel. The four USB ports were helpful and this unit runs on 120VAC 60Hz and 220VAC 50Hz. When I got back to the States I plugged it into my desk and with that my old clunky power strip and two USB power adapters were thrown away thrown. I recommend.
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