Warranty, Over 3,000 enhanced U.S. lake maps, Advanced Signal Processing (ASP), TrackBack™ to review recorded sonar, Depth Alarm, Color Display, Depth Indicator, DownScan Imaging™, Multi-Window Display, Back Light, DownScan Overlay™ technology, Detailed U.S. map, Insight Genesis™ custom maps, Chart Plotting, Waterproof, Temperature (Water), World reference basemap, Built-in GPS antenna, GPS