The GPSMAP 526 is a compact chartplotter that features a high-resolution, super-bright 5" VGA display along with an improved high-speed digital design for increased map drawing and panning speeds. It's ready to go with a built-in, satellite-enhanced worldwide basemap. The GPSMAP 526 also accepts BlueChart g2 Vision cards for added features and functionality such as high-resolution satellite imagery, 3-D views and Auto Guidance technology. The GPSMAP 526 comes ready to go with a worldwide basemap with satellite images in place of more traditional maps. The GPSMAP 526 also comes standard with a high-sensitivity GPS receiver for superior satellite tracking and quicker acquisition times. In addition, the GPSMAP 526 can receive U.S. graphical weather data via optional GXM 51 satellite receiver/antenna. And with an SD card slot, it's easy to add additional maps without connecting to a computer.