The portable unit was delivered to the U.S. Army last August at its Aberdeen Proving Ground in Maryland.

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Usually included presets can be really hit or miss, but these are quite serviceable -- especially in a portable unit.

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According to Dr Tamanaha, the laboratory has developed a portable, battery-powered unit the size of a shoebox, and has licensed its technology to Seahawk Biosystems, a firm based in Austin, Texas, for food-testing and environmental applications.

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The unit is solar powered, portable and self-contained.

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My portable phone does that when I push a button in the base unit.

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Users can simply mount the entire flashlight and charger as a unit by doorways and entryways to hazardous locations, thus providing a highly convenient and fully charged portable light source whenever it is needed.

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