Bottom Line Fish Finders 

& 

Cannon Downriggers!

Affordable electric downriggers like the Mini Mag and Magnum 10 (workhorse of the Great Lakes) make trolling with downriggers a pleasant experience.
From the Bottom Line Portable Fishin' Buddy to the Tournament NCC 6500, you'll enjoy the high resolution screens and high powerful transducers.
Bottom Lines portable Fishin' Buddy 1200 and Fishing Buddy 2500 mount easily to a dingy, fishing tube, or a dock.  There Tournament 4300, Tournament 5300 and the Tournament 6500 are some of the most sophisticated fish finders in the world.