These premier touchscreen GPS/Chartplotters all include an external GPS antenna and a worldwide, satellite enhanced basemap. In addition, the 7200 models include preloaded BlueChart g2 maps of the U.S. coastal areas, including Alaska, Hawaii, and the Bahamas. Additional maps can be easily added with the SD card slot. All units allow for the addition of sonar, radar, weather, and more. Powerful microprocessors provide ultra-fast map redraw and refresh rates with near real-time data to guide you. Live video feeds are easy with the video inputs for cameras, night vision, etc. and output options for remote display. For additional enhanced features these units accept optional BlueChart g2 Vision cards with 3-dimensional perspectives, high-resolution satellite images, Auto Guidance, and more. Includes: Waterproof (IPX7), High-sensitivity, external antenna, NMEA 0183, NMEA 2000 and PC video monitor input/outputs, SD? card slot, 5,000 Waypoints/favorites/locations, 100 Routes, 50,000 pointsDime