Ultra-wide 8'' full color TFT display and crisp, 480Vx800H resolution. Extra wide display is perfect for navigating inland lakes or off-shore, by allowing you to display split-screen views of forward looking and traditional north-up charts simultaneously. Navionics compatible. Blazingly fast microprocessor refreshes even the most detailed charts quickly. Save up to 3000 waypoints, 50 routes and 50 tracks w/20,000 points each. UniMaps built-in. 16-channel GPS/WAAS included. 406990-1: 955C Chartplotter 406990-IV: 955C Chartplotter w/ Navionics Gold and HotMaps Premium pre-loaded into internal memory.