That is going to be or is a Legacy unit, which means no longer being produced. Yet Bird will support it for quite awhile. Great price for a good SI unit. It is going to be harder to pick out objects like fish because of the smaller screen but if you have good eyes should not be a problem. Just have to run your SI on single screen to get the best out of it. For the money it is well worth it. You could spend another 100.00 and get the Helix 5 which is the latest version. But if money is tight like with so many of us that's your deal.


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