Plug a BlueChart g3 Vision card into your compatible device's SD™ card slot and tremendously expand its mapping capabilities. High-resolution satellite imagery enhances chart depictions for superior situational awareness so you can navigate with a clear moving-map representation of your boat's position. It's the most realistic mapping display Garmin has ever offered in a chartplotter. High resolution satellite imagery, when overlaid on the chart, provides the mariner with unparalleled situational awarenessAerial reference photography provides "real world" photos of ports, harbors, marinas, waterways, navigation landmarks and other points of interest, offering the mariner another powerful tool for navigating unfamiliar watersMariner's Eye View perspective provides a bird's eye view from behind the boat showing the chart information for a quick, reliable and easy position fixFish Eye View 3D perspective provides an underwater view that visually represents the sea floor according to the chart's informationAuto Guidance technology searches chart data to suggest the best passage to a destinationFishing charts allow the mariner to hide navigation data from the SD card while leaving the bottom contours and depth soundings for their next fishing adventureIncludes tides, currents, marine services, coastal roads and points of interestDetailed BlueChart g3 maps are include 500, 600, 700, 4000, 5000, 6000, 7000