Convenient and Simple Speedometer on your device, that shows your speed and distance.3 TYPES OF MEASUREMENT UNITS- km/h- mph- knotsDETAILED SPEED STATISTICS- current speed- average speed- top speedSPEED LIMITS- set the speed limits you need- the red indicator shows if your speed exceeds the limitContinued use of GPS running in the background can dramatically decrease battery life.Simple Speedometer - useful all-in-one app to watch the detailed information about speed.