Lowrance Hook 4 Fishfinder-Chartplotter $700 The LowranceÂ® HOOK-4 is a fishfinder/chartplotter that offers proven features at a great value without compromising the quality anglers have come to expect from Lowrance. The HOOK-4 combines the benefits of CHIRP Sonar and DownScan Imagingâ„¢ technology to give you a clear and complete view of the underwater environment beneath your boat. It features enhanced sonar sensitivity, excellent target separation and superior noise rejection, making it easier to see baitfish and gamefish targets. With a built-in GPS antenna and proven navigation features, revisiting your favorite fishing spot is simple with the HOOK-4, whether you use the base map, optional high definition chart upgrades, or your own Insight Genesis custom maps. Comes complete with 83/200 455/800 Transducer inc temp and NZ Navionics Chart. CHIRP sonar technology: Combine the power of two CHIRP ranges for the ultimate in target separation and noise rejection Hybrid Dual Imagingâ„¢ (HDI): The power of two award-winning technologies -- Broadband Sounderâ„¢ PLUS Exclusive DownScan Imagingâ„¢ -- combined to provide the best possible view of the water column and everything in it. DownScan Overlayâ„¢: Exclusive technology overlays DownScan Imagingâ„¢ onto Broadband Sounder display for one stunning view that separates and clearly exposes fish targets from surrounding structure. Overlay transparency and color palettes are fully adjustable. TrackBackâ„¢: Easily scroll back in sonar history to review covered areas and pinpoint spots (saves time and fuel trying to re-trace your path). With chartplotter models, simply mark a waypoint at your cursor location with the press of a button. Advanced Signal Processingâ„¢: Reduces manual adjustments to automatically see fish, structure and bottom detail more clearly. Reliable Navigation Thatâ€™s Easy To Use Highly accurate, built-in GPS antenna plus a detailed U.S. map with more than 3,000 lakes and rivers, as well as coastal contours to 1,000 ft. A micro SD card can also be used to display Lake Insightâ„¢ and Nautic Insightâ„¢ HD and PRO cartography, as well as NavionicsÂ® Gold, HotMapsÂ® Premium, Fishing HotspotsÂ® PRO and Jeppesen C-Map Max-N Wide charts. Create your own map from real sonar data that you record with the online Insight Genesisâ„¢ map creation service Allows users to make their own custom, high-resolution contour, bottom hardness and vegetation maps from recorded sonar logs. Hook-4 Color Display: Lowrance-exclusive, high-resolution, 4.3-inch, color display provides brilliant visibility and viewing detail in all conditions. All-New Page Selector: An easier-to-use menu system with quick access to all features using one-thumb operation. Multi-Window Displays: Choose from as many as eight preset page layouts, including up to three panels in split-screen mode to view chart, Broadband Sounderâ„¢ and DownScan Imagingâ„¢ -- all on one screen simultaneously. Multi-Window view can be accessed while viewing live sonar and charting. Supported by Lowrance Advantage Service program and limited one-year warranty.