So you would like to send clear messages to other drives on the road? Ototok has you covered. It is a smartphone controlled LED car sign that lets you share messages with others on the road. Just install the sign, download the companion iOS or Android app, pair your phone, and write something.
More gadgets like this: here
A dedicated RF remote is available for this car sign. It is readable in direct sunlight up to 30 feet. Expected to ship in October.
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