speedometer.

auto automobile automotive board car cars control conveyance dashboard detail details detector display displays drive driving electronic electronics gauge graph hand indicates indicator indicators kilometers kilometre kilometres km macro measured measurement meter metering mileage motion number numbered numbers numeral numerals object observed panel part power rapidity rapidness rate ride right road rotate rotation safely scale scales securely shows size slow slowly spare speed speeding speedometer speeds speedy sport tachometer tachometers technical technicality technology traffic transport transportation travel vehicular wheeling