The GPS Plotter/Sounder and Radar GO9 XSE Multifunction Display & DownScan Transducer by Simrad has a touchscreen of 9 inches, with a resolution of 480 x 800 pixels. It supports a variety of connections such as Bluetooth, Ethernet, external memory cards, and Wi-Fi for even greater flexibility in connecting external devices. The waterproof design protects the device from water droplets that may enter the device during boat navigation. It comes with pre-installed Navionics maps for immediate use of the device.