The HELIX 9 CHIRP MEGA DI+ GPS G3N CHO features a 9" display, MEGA Down Imaging+ and Dual Spectrum CHIRP Sonar. Includes GPS mapping with built-in Bluetooth, Ethernet networking capabilities, AutoChart Live with depth, vegetation and bottom hardness mapping. Fish and navigate with confidence thanks to the guidance of Humminbird Basemap built-in. This is a Control Head Only unit—Transducer is not included. Model is compatible with Minn Kota Built-in MEGA DI trolling motors.