The picture-like images of Humminbird® Down Imaging™ are created with high frequency sound waves emitted in razor-thin slices. The sonar returns from these waves create an instant ``snapshot`` directly below your boat. Humminbird`s exclusive software analyzes the returns to verify the position of the echoes to ensure Down Imaging only shows you structure and activity directly beneath you, and not off to one side or the other. The Humminbird® Fishfinder 570 DI Sonar Fishfinder features a big 640Vx320H LCD 5`` monochrome display with Dual Beam PLUS sonar with SwitchFire™. Power output PtP: 2400 watts. Depth: 250` (DI)/600`. Speed capable/temp included. In-dash mount: 5.4``H x 6.9``W.
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