Package Contents: StreetPilot c320 Portable Navigator Vehicle suction cup mount w/ 12-volt adapter A/C power adapter 128 MB SD memory card Setup guide Americas Lite Routable basemap City Select North America NT with full unlock Additional Information: WAAS enabled Update Rate: 1/second, continuous Antenna: MCX-type connector for optional external GPS antenna connection GPS Accuracy: Position: Velocity: 0.05 meter/sec steady state GPS (WAAS) Accuracy: Position: Velocity: 0.05 meter/sec steady state Autolocate Time: Its autolocate time is approximately 2 minutes which forces the receiver to search for any available satellite to determine your position Moving Map Features: Storage: Pre-programmed with City Select NT, providing street-level detail and addresses throughout the U.S., Canada and Puerto Rico Map Scale: Screen-width scale 640 feet to 4000 miles Navigation Features: Routes: Custom road preference allows user to prioritize choice of back roads or major highways, automatic off-route recalc shows how to get back on track if you miss a turn or exit Waypoints: 500 with name and graphic symbol Trip computer: Resettable odometer, timers, average and maximum speeds