Great bike computer that will show you the distance of your trip, time and how fast you going at the time. First, you have to install the computer in the right position on your bike with included tie cables. The computer itself mounts on the handlebars of your bike with a rubber circle. It is easy to install and set up. On the computer, you have to enter some personal data such as sex, weight, hight so it would be properly calculated during your trip. The computer shows, kcal, temperature, time, total distance, total time, stop watch, ride time, average speed, max speed, CO2.