Large but compact 6.4" full VGA color display. Brilliant, pure-white LED screen/keypad backlighting. Sunlight viewable with brighter, clearer, wider-angle viewing. Super-sensitive, 16-channel internal GPS antenna networks with NMEA 2000. Built-in enhanced U.S. base map includes coastal shorelines, 100,000 bodies of water and 5,000 enhanced lakes with high-detail shorelines and depth contours. Insight USA built-in provides coverage for continental U.S. inland waters and Great Lakes, plus U.S. coastal waters. Exceptional waypoint management with icons specifically designed for fishing.