echoMAP 70s offers amazing features in a combination chartplotter/sounder with a 7" touchscreen with pinch-to-zoom and HD-ID? sonar. Its 10 Hz Garmin GPS updates your position and heading 10 times per second, displaying fluid vessel movement and dramatically improving your ability to accurately mark and navigate to 5,000 waypoints. Also includes sonar recording capability that coordinates the timing of the sonar return with your boat's position and saves digital information on the map. Features wireless connectivity. Includes transducer and comes preloaded with Garmin U.S. lakes cartography.