Car friends must be "multi-function speed detector" limited to avoid

A friend who often drives a car or rides a bicycle can try this "multi-function speed detector", full-featured, not only can speed and GPS positioning path information, as well as the compass and built-in song playback function. With it everyone can always see their speed, as for enough passion, small series or recommend safe driving good. "Multifunction gun" software screenshot software for the first time to open the need to allow positioning to use, in the software on both sides of the optional bike or car, both have different dashboard display. Velocity measurements can be measured starting time, average velocity, maximum speed, distance taken, elapsed time, elevation data, and can be switched miles per hour/kilometer per hour. The compass can be chosen to refer to the north or north of the magnetic force. "Multifunction Speed detector" software screenshot built-in song player to import the songs you want to play from the list of device songs, support scrolling to display the song information. Click the Position button on the right side of the interface to view the current position and track the trajectory.