Bottom Line Fish Finders 

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Cannon Downriggers!

Cannon downriggers can be controlled by the NCC 6500 and the NCC 5300. 
Affordable electric downriggers like the Mini Mag and Magnum 10 (workhorse of the Great Lakes) make trolling with downriggers a pleasant experience.
Speed N Temp Sensor Get inside the fish’s world with the new Speed-N-Temp Sensor from Cannon. The maker of the most popular downriggers in the world gives the angler the advantage of knowing what the water conditions are where the fish are congregated, not just at the surface.