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Old 08-24-2010, 05:21 PM   #76
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Originally Posted by Geek
I don't think LEDs can work that way.. they are usually on or off.

Or can these LED actually handle variable voltage for variable output? (though I'm hard pressed to think of a reason you'd want less light )

Almost all of the high output LED flashlights have multiple power settings to choose from. And these are essentially the same thing I think?
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