Suzuki Mehran Speedometer LED Needle Glow Meter Model – 2007-2019 A speedometer or a speed meter is a check that measures and shows the quick speed of a vehicle. Presently all around fitted to engine vehicles, they began to be accessible as choices during the 1900s, and as standard gear from around 1910 onwards. Speedometers for different vehicles have explicit names and utilize different methods for detecting speed. At the point when the vehicle is moving, a speedometer gear gets together turns a speedometer link, which at that point turns the speedometer system itself. A little perpetual magnet appended to the speedometer link cooperates with a little aluminium cup (called a speedup) connected to the pole of the pointer on the simple speedometer instrument.