I purchased this emergency radio from a local dealer for about ten dollars. The dynamo works, but I've never managed to get 30 minutes of radio time out of a minute or more of running as instructed. In fact, I'm lucky to have 3 minutes or even a minute. Using headphones buys you more time as the radio's two speakers obviously use a lot more power than small headphones. Either way, it takes a minute or so at best. I don't want to be in the middle of a zombie apocalypse and turn on the radio every 15 seconds so everyone can hear the available radio stations. While running the dynamo you cannot hear the radio due to electrical noise. I suppose it would be better than nothing, but honestly I'd spend $40-60 and get one with shortwave capability, in addition to a solar panel for an alternate power source and definitely a digital tuner. Attempting to set it up manually is just a guess and it depends more on luck than skill. Even trying to find stations I already know exist is a chore at best, but trying to find a station in an emergency is worse. That would be better than nothing, but that says nothing. R. Lee Ermey once showed in "Mail Call" how soldiers during World War II made emergency radios out of very, very few materials. I'd fall back on it, but for $10 there's not much to complain about.
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