Fishfinder 90 combines simple operations and Garmins exclusive Fishfinder technology for an effective entrylevel sonar thats easy to use, Dualbeam transducer gives good shallowwater performance; Ultrascroll allows a fast refresh rate on the sonar display, Seethrough technology shows weak and strong returns simultaneously; features alarms for fish size shallow water deep water and low battery, System retains your preferred settings between uses, 2.43Hx4.72Wx4.94D
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