Resettable maintenance timerFive mode display screensTach displays running engine's RPMRecords max RPM from current ride and Auto Resets at next rideHour meter tracks total run timeClock features 12 or 24 hour operationWorks on Fuel injected/carbureted 2-Strokes/4-Strokes from 1 to 8 cylindersLarge, easy to read LCD screen in a sleek, compact designMeasures up to 19999 RPM and tracks total hours up to 99999Mounts on any flat surface with included heavy duty, die-cut Peel-n-StickOptional Mount Bracket available for bolt on mounting (sold separately)Easy installation (single wire lead wraps around spark plug wire)