Humminbird HELIX9 DI GPS

Humminbird HELIX9 DI 480 X 800 9"" WVGA Display, Down Imaging Sonar w/GPS Model: 409930-1 UPC: 082324047329 360 Imaging - We have you surrounded. 360 Imaging allows you to isolate your sweep, see 5 preset views or see all around you. SwitchFire Sonar -- Take command of how your sonar returns appear with our Clear and Max Modes. DualBeam Plus Sonar - Two beams combine for great detail and a wide coverage area. Use the narrow beam for high-accuracy returns and bottom. Use the wide beam when you want a larger search area Internal GPS - GPS antenna built into the head unit Upgradeable Software - Access software updates to enhance the performance of your Humminbird unit through our My Humminbird section of the site. High Definition Display - Provides bright, crystal-clear images for easy viewing in harsh sunlight. Dual SD Card Slots -- Use one slot for advanced cartography and the other to save screenshots, sonar recordings and waypoints. Contour XD is Humminbirds built-in base map cartogr