The HELIX™ 7 SI GPS offers amazing Humminbird technologies, including Side Imaging®, Down Imaging® and SwitchFire® Sonar. The seven-inch widescreen is the perfect canvas for your choice of split-screen views. The single card slot accommodates, AutoChart™ and AutoChart™ Pro, as well as Navionics® Gold/HotMaps. Leading-edge technology has never been closer in reach.
Side Imaging Sonar: Gain a 180° side to side perspective on the world below the surface.
Down Imaging Sonar - Get a fish-eye's view of what's happening below your boat. Incredible images are created with High-frequency sound waves.
SwitchFire Sonar - Take command of how your sonar returns appear with our Clear and Max Modes.
Dual Beam 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.
Upgradable Software - Access software updates to enhance the performance of your Humminbird unit.
HD Display - Provides bright, crystal-clear images for easy viewing in harsh sunlight.
Micro SD Card Reader - Use for advanced cartography or to save screenshots, sonar recordings and waypoints or to update your units software.