Mainnav MG-950d goes well beyond a typical cycle computers, using GPS (SiRF StarIII) for extremely accurate speed, distance, elevation and timing data plus a data logger.The built-in data logger records the route / track you have gone thru and after you finished your trip, you may download your ride and show the whole trip on Google Maps (free).In addition, the included software may be used to geotag photos and display the exact location the photo was taken through Google Earth / Google Maps. Built-in GPS application software, could save as KMZ, CSV, GPX and NMEA. It is really convenient, economical alternative to using a laptop computer especially on long road.