Digital Tachometer Hour Meter w/ Max RPM Recall 2&4 Stroke Engine For Go Kart UK

Recording and recall engine MAX RPM. Refresh Rate:0.5S/1S. RPM Range 0- 25,000,RPMs with 10 RPM accuracy. GREEN & RED BACKLIGHTS DISPLAY ---- Green backligh mode: always-on, OFF and automatical ; Red backlight will display to remind the RPM exceed warning.

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