The Humminbird® HELIX 7 CHIRP MEGA DI GPS G4 Fish Finder/Chartplotter puts every detail of the underwater world right at your fingertips. This robust Humminbird fish finder sports a spacious, vivid 7" display, so you can easily view all the powerful technologies. MEGA Down Imaging brings unprecedented underwater clarity down to 125' below your boat with 3 times the detail of standard Down Imaging. Dual Spectrum CHIRP provides long, well-defined fish arches and a clear view of fish-holding structure and the bottom, Dual Spectrum CHIRP offers 2 ways to search: wide mode for maximum coverage and narrow mode for maximum detail. The built-in Humminbird Basemap provides you a clear view of underwater terrain and surrounding points of interest, so you can fish and navigate with total confidence. Identify buoys, day markers, hazards, marinas, contours, depth markers, and much, much more. Includes charts of more than 10,000 lakes, plus U.S. coastal coverage. Compatibility with Humminbird LakeMaster® and CoastMaster™ charts, as well as your choice of compatible Navionics® charts, lets you get a complete view of the world below. AutoChart Live creates real-time maps of your fishing spots, with access to patented Humminbird LakeMaster® features. Map depth contours, bottom hardness, and vegetation as you drive your boat. Share this information to any other Humminbird unit onboard that is connected via an Ethernet network. Bluetooth lets you connect wirelessly to your Talon or Raptor shallow-water anchor (not included). The Humminbird HELIX 7 CHIRP MEGA DI GPS G4 Fish Finder/Chartplotter includes the power cable, gimbal mounting bracket, and mounting hardware.Manufacturer model #: 4116. Powerhouse Humminbird HELIX fish finder Vivid, 7" display MEGA Down Imaging Dual Spectrum CHIRP Built-in Humminbird Basemap of charts and maps of more than 10,000 lakes AutoChart Live real-time mapping Bluetooth wireless NMEA 2000 networking