RayMarine's RayChart 520 Chart Plotter uses a High Definition 7" Monochrome Screen

• High Speed Bus (HSB)Allows Data & Screen Sharing with Radars, FishFinders & Chartplotters
• Compatable with All RayMarine SeaTalk Instruments
• NMEA 0183 Inputs and Outputs
• Uses C-Map NT+ Cartography with Port & Tide Information
• Stores 1000 Waypoints, 20 Routes & 4,500 Track Points in up to 5 Tracks
• Waterproof for Cockpit or FlyBridge Installations