In addition, the Earthmate PN-20 is preloaded with all the world’s major highways & roads, making it a useful tool for traversing any country on Earth. Most notable about the Earthmate PN-20 is the fact that it holds up to 10 tracks with 10000 points per track, 1000 user-defined waypoints, and 50 routes. Additional features of the DeLorme Earthmate PN-20 GPS receiver include 75MB of user-available internal flash memory, an SD card slot for an additional 2GB of memory, and access to free aerial imagery. The DeLorme Earthmate PN-20 retails for $299.95 and comes with a 1 year limited warranty.