the only thing check how long the battery last . not long at full speed I bet ,. I think our trips are usually about 5-6 hours . Not to be a negative Nancy but hope it's not as blinky as my fish finder .. I've found it rough keeping good electrical connections in the salt ,,. Last couple of times out ,, Fish finders been out of commission most the time . I got some cleaner and dielectric grease for fittings ,., hope that helps .
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