Trail Tech TTO Tach/Hour Meter - Silver 72-A00
Works on all gas engines (including fuel injected 4-cycl enginesTracks total hours on motor, non-resettableMeasures tach up 20,000 RPM in real timeRemembers max RPM, resettableSpinning arrow activity iconAdjustable display update smoothness (fast/slow)Adjustable tach pulse sensitivity (high/low)