Speedtest R combines the functions of speedometer, speed limiter and acceleration measurement.
Speedometer has a simple and minimalistic design and accurately displays the speed. Measurements in km/h or mph are available.
Turn on speed limit - red screen and sound alarm will alert you speeding.
Press the R button to measure the acceleration - measurement begins automatically as soon as you start acceleration, and ends when the stop.
Measurement results can be shared with friends.