The echoMAP 70s is an chartplotter-fishfinder combo that feature a 7-inch touchscreen display with pinch-to-zoom, and it comes with a worldwide basemap or Garmin U.S. lakes or offshore cartography. The crystal-clear display provides clear target separation, allows visibility both day and night, and has a user interface that anyone can navigate. Plus, it has multi-touch functions and auto-dimming to enhance your screen views. The 70s refreshes your position an impressive 10 times per second. It displays constant and fluid on-screen location and very accurate at marking waypoints and navigating.