I use it for depth and temp. and its useful for finding the drop offs. It will great help your fishing... 110 non side finder, B and W around $120? Get the Hummingbird, not the original, it has a better waterproofed seal to keep it from shorting out in a downpour or if you drop it into the lake. Somes with the C clamp for mount. Guess if you're going to use it on a toon, you'll have to figure that one out.