Navionics multi-dimensional charts now with improved geo-referenced coast pilot, 4x higher resolution satellite photo overlay (the best available), full-view XGA panoramic pictures, improved 3D, and FREE high-definition fishing detail that’s now included on the same chip! Available in XL3-size coverage areas on pre-programmed CF (CompactFlash) and SD (SecureDigital) media cards that are ready to use, just plug-and-play into compatible new Humminbird, Lowrance and Raymarine chartplotters. See Navionics website for specific models.