This GPS-enabled cycle computer comes loaded with everything you need to make the most out of your ride Virtual Partner lets you race a virtual competitor over a specified distance and speed Courses let you race against previously recorded workouts Compare your current and past performances over the same ride Auto Pause pauses the timer when you slow down or stop and resumes when you speed up again Auto Lap automatically starts a new lap each time you pass a specified location or travel a preset distance Add maps and find motivation with Edge 605. Get cycle computer data and mapping detail, all from one compact, easy-to-use device. You can even store, analyse and share your stats for the world to see with Garmin's online training community. With a colour display and ultra-cool training features, Edge 605 has it all. The Edge 605 comes with a built-in base map, plus it has a microSD card slot for adding map detail and storing workouts, courses and saved rides. Just plug in optional, detailed MapSource City Navigator street maps on a pre-loaded data card and get turn-by-turn directions on a sunlight-readable, colour display as you pedal or add optional topo mapping for your off-road adventures. The Edge 605 snaps easily into the included bike mount to guide you to your destination. The rugged Edge 605 automatically measures your speed, distance, time, calories burned and altitude. With a simple connection to your computer via the supplied USB cable, you can join a worldwide network of cyclists and outdoor enthusiasts through Garmin Connect Garmin''s new, one-stop site for data analysis and sharing. Alternatively, upload data to the optional Garmin Training Center software for further analysis.