3013 model is an adjustable 225 mph speedometer; calibration is easily adjusted for almost any gearing and tire size combinationPush button calibrationOdometer has resettable trip meter3011 model is an adjustable 199 mph speedometer that calibrates to almost any gearing and tire size combination; easy push button calibrationDisplays speed in numeric and bar graph formOdometer has two resettable trip meters and a miles-to-service meter with warningFeatures turn signal, low oil, high-beam and neutral indicatorsPerforms calculations and displays high speed recall, 0-60 timer and 1/4-mile time and speedAutomatic turn signal canceling compatible