The HELIX 10 CHIRP MSI+ GPS G4N features a 10.1" display, MEGA Side Imaging+ You'll unlock more fish and structure with 20% more detail and 60% more range capability than MEGA Side Imaging sonar., MEGA Down Imaging+, Dual Spectrum CHIRP Sonar and internal GPS with Humminbird Basemap. As with all HELIX G4N models, this HELIX 10 includes standard features such as AutoChart Live, Wi-Fi.