purchase I would definitely go buttons.
The touch screen touches itself too much on my Dakota. I wind up somewhere in some virtual world..like tide tables when I was just following the map.
Otherwise its a decent unit. I find that locating geographic points or water features is handy. The tide tables are awesome. And where I have been, quite accurate.
So does my Tom Tom go wonky sometimes.. and insists I return home and gives me directions to do so when I am in ND going west.
4-place Boat Trailer
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