Humminbird 600025-4 Electronic Charts Wisconsin Imagine finding a hot spot and in seconds your computer identifies all other areas of the Lake with similar characteristics Just enter a species, time of year, and time of Day and your computer searches the entire Lake and gives you exact Coordinates Navigate right to these areas using your GPS or even a laptop computer right on the water Contour Elite is a pc Compatible software that allows you to pre-fish your Lake while in the comfort of your own home or office