Lowrance Mark-4 Sonar/GPS Combo - $165.88

3.5 monochrome, 320x240-pixel screen provides high- contrast. Sonar scrollback brings up previous location markers. Bright-white LED backlit screen. Graphically enhanced menus. Quick-release, tilt-and-swivel bracket. Skimmer-type transducer with built-in temperature sensor. One-year warranty. Type: Sonar/GPS Combos. - $165.88

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