Features :
CHIRP sonar advantages: - Easier to identify and distinguish bait and game fish targets - Better target identification at greater depths - Mark fish clearly at faster boat speeds Elite-4x CHIRP advantages: Lowrance-exclusive, brilliant, high-resolution, 4.3-inch, LED-backlit color display CHIRP Sonar plus DownScan Imaging™ -- the power of today’s leading fishfinder technologies combined to provide the best possible view beneath your boat. DownScan Overlay™ technology overlays DownScan Imaging™ onto CHIRP Sonar Advanced Signal Processing (ASP) reduces the need to manually adjust settings to see fish, structure and bottom detail more clearly TrackBack™ to review recorded sonar history including structure, transitions or fish targets. New page selector menu with quick access to all features using one-thumb operation Multi-Window Display lets you quickly choose from pre-set page layouts -- including a three-panel view with chart, CHIRP sonar ranges and DownScan Imaging. Supported by Lowrance Advantage Service program