I won it at giveaway at a tournament, its has alot of maps on it, but no HD maps. You do get to chose one HD map for free. You can print out maps to take with you, but no way to transfer to any device.
No way to transfer? Do you have a navionics card in your gps? you can set your waypoint on the pc then download them to a sd card and load them to your gps. You do have to pay for any additional hd maps but the software works great and is really neat with the google earth feature where you can pull up an aerial view right next to the map. I think it is well worth the $20.
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