Experience an advanced all-in-one solution with the Garmin 12" GPSMAP 1242xsv keyed combo. It includes built-in support for Garmin CHIRP sonar, CHIRP ClearVu and CHIRP SideVu sonars as well as Panoptix and LiveScope sonar products (transducers sold separately). Plus, there's NMEA 2000 and NMEA 0183 network connectivity support and built-in wireless capabilities for Garmin mobile apps. Preloaded with Garmin Navionics+ offshore, coastal and inland water charts for the U.S. and Canada.