Whether you're sailing the high seas or hiking in the backcountry, the Garmin Colorado 400C Handheld GPS is your guide to all-in-one adventure. Preloaded with BlueChart ® g2 coastal charts, Colorado is made with the saltwater mariner in mind. Packed with features, it includes a high sensitivity receiver, barometric altimeter, electronic compass, SD ™ card slot, color display, picture viewer and more. Also, the exchange tracks, waypoints, routes and geocaches wirelessly between similar units possible. If thegoing gets tough, Colorado leads the way.