12.1″, 1280 x 800 color screen; MEGA Side Imaging(TM)+ with 3x more output than standard Side Imaging(R) for incredible views out to 200ft on either side of boat; MEGA Down Imaging(TM)+ with 3x more output than standard Down Imaging(R) for underwater clarity with coverage down to 200ft below the boat; Dual Spectrum CHIRP sonar, powered by proprietary Low Q CHIRP transducer, shows long, well-defined fish arches, clear view of fish-holding structure & the bottom as well as 2 ways to search–wide mode for max coverage & narrow mode for max detail; SwitchFire(R) sonar with Clear & Max modes to add or remove detail, account for water depth, temperature & turbulence; Internal, precision GPS; AutoChart(R) Live creates real-time detailed maps with depth, vegetation & bottom hardness with 8 hours of built-in recording time; Built-in Humminbird(R) Basemap for clear view of underwater terrain & surrounding, shows buoys, day markers, hazards, marinas, contours, depth markers & charts of 10,000+ lakes & US coastal coverage; 2 microSD(TM) Card slots; Ethernet networking capability to build a powerful, professional-grade fishing system by connecting multiple fishfinders or add-on technologies; Built-in Bluetooth(R) enables features like wireless software updates from the Humminbird(R) FishSmart(TM) app, displays paired smartphone notifications on Humminbird(R) display screen & enables control of most-used features with an optional Bluetooth(R) remote (RC2); LakeMaster(R) & LakeMaster(R) Plus compatible; SmartStrike(TM) map card compatible; iPilot(R) Link compatible; AIS transceiver compatible; Autopilot(TM) compatible; 360deg Imaging compatible; CHIRP Radar compatible; NMEA 2000(R) compatible; Includes transducer, mounting hardware, power cable, gimbal mounting bracket & unit cover;