Lowrance HDS-7 Gen2 Touchscreen Charplotter with 83/200 KHz Skimmer Super-bright 7" Widescreen, Touchscreen LCD Built-in 50 channel GPS NMEA 0183, NMEA 2000, and Ethernet network compatible Pre-loaded Insight cartography with optional Navionics Platinum charts Built-in Fish finder, 83/200KHz transducer included Built-in Structures can HD Sonar Imaging Broadband Sounder With Downscan Overlay Trackback Feature Built-in Insight Usa Mapping Optional Navionics Charts