Tachometer
Tachometer in the car display’s RPM of your car engine. RPM stands for revolutions per minute, and it tells you how fast your engine is spinning. The RPM is usually represented by a single digit, such as 1, 2, 3, and so on. To get the real RPM, multiply this number by 1000, for example, 1000, 2000, 3000, and so on.