GARMIN ECHOMAP 74DV 7 COMBO BLUECHART
High-contrast color display with keypad control with preloaded U.S. BlueChart g2 coastal maps
DownV scanning sonar with the clearest images on the water;Built-in 500 W (RMS) HD-ID sonar (4,000 W peak to peak);5 Hz Internal GPS updates position and heading 5 times per second;Tilt/swivel quick disconnect mount