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The Spark Nano is a GPS tracking device that's about the size of a 9-volt battery that can be tracked via a Web site and has a panic button for wearer to alert people about their whereabouts.
Caption by CNET Reviews staff / Photo by brickhousesecurity.com
Caption by CNET Reviews staff / Photo by brickhousesecurity.com
Caption by CNET Reviews staff / Photo by brickhousesecurity.com
Caption by CNET Reviews staff / Photo by brickhousesecurity.com
Caption by CNET Reviews staff / Photo by brickhousesecurity.com
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