The Humminbird HELIX 7 CHIRP MEGA DI GPS G4N fish finder features MEGA Down Imaging, Dual Spectrum CHIRP Sonar, AutoChart Live, Internal GPS and Humminbird Basemap built-in. An upgraded high-definition 7" display will give you the best view of the many pre-loaded split screen view options so that you'll never miss a fish. All HELIX 7 G4N models support Ethernet networking, Bluetooth(R), NMEA 2000(R), Wi-Fi and are compatible with the One-Boat Network(TM), which means you'll have total control of your fishing machine at your fingertips.Features Keypad control MEGA Down Imaging Dual Spectrum CHIRP sonar Internal GPS and Humminbird Basemap Premium Chart Compatible AutoChart Live One-Boat Network Compatible Ethernet Networking Bluetooth NMEA 2000 networking built in1-Year Limited Warranty In the Box: control head, transom-mount transducer, power cable, gimbal mounting bracket and mounting hardware