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Title: Simply terrible
Review: I had high hopes that this would be a useful device. It is not. I bought 2 of these. One does not work at all. The other works, but not nearly as well as advertised. It has to be shaken HARD and FAST for about 1 minute. The result is bright light for about 1 minute. You get dim light for maybe 3 minutes more, then you start over.Its not even good enough for emergency use, much less regular use. I have heard that there are "wind up" flashlights out there; I will research those and give one a try to see if it works any better.
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