Garmin Colorado 400c Portable GPS System with Preloaded Coastal Waters Maps High Sensitivity, WAAS-Enabled GPS Receiver Features A 2.55-InchH X 1.53-InchW, Transflective Color Tft Display With 240 X 400 Pixel Resolution Features Built-In Worldwide Basemap With Shaded Relief Wireless Sharing Of User Tracks, Waypoints, Routes & Geocaches Between Units 5 User Profiles - Automotive, Marine, Recreation, Fitness Or Geocache