LightCap

From iPhones to Swiss Army Knives, more and more of the things in our life need to be as good at multitasking as we are, and the LightCap ($30) is no exception. This one-liter water bottle doubles as a renewable LED lantern via integrated FastSolar technology, and can also function as a waterproof container when it's not holding liquids, which makes sense, since it can hold, you know, water.

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