The Garmin GPS MAP 1040 XS keyed Chart plotter/sonar combo is a smart navigation device. It is for sure that you will not regret after spending your money on it. Furthermore, the device has a 10-inch colour SVGA display and comes with preloaded U.S. LakeVu HD and Blue Chart g2 coastal maps. It has got HD-ID 1 kW Sonar, CHIRP and DownVu with CHIRP sonar technology are built-in, allowing you the flexibility to choose from several optional transducers. Moreover, this smart navigation device also provides media integration and compatibility related to radar support and wireless connectivity.