This Ultmost EL-173 Multifunction GPS & Bike Meter will navigate for path tracking. A Pedometer, a Bike Computer, an Electronic Compass and much more! The EL-173 is also an Altimeter and a Clock with the same accuracy of radio-controlled time, with a stop watch and date and time display. If you're a cyclist serious about improving your performance, there are several reasons to buy a bike GPS. A GPS-enabled bike computer will calculate your speed, distance traveled, how long you've been riding and much more. After a ride with an EL-173 you can connect the unit to your computer and use the included software to show exactly where you rode on a map, and what your performance metrics were for the ride. Ultimately, this will help you improve as a cyclist because you'll be able to closely analyze your ride, track your progress and figure out how to improve. The EL-173 comes with software, charging cables, clip bracket and bike mounting bracket.