The ST200 classic tachometer features a 80mm dial face and Stack's legendary stepper motor needle movement, giving unrivalled digital quartz accuracy which is guaranteed for life.Accurate replica of original classic style instrumentationSolid-state electronics for exceptional reliabilityStepper-motor needle technologyNo backlightingPeak RPM Tell Tale MemoryConfigurable for all negative earth ignition systems and magneto ignition systemsSupplied with mounting bracket, switch kit and manualThe ST200 classic is configurable for use with all negative earth and magneto ignition systems and has a peak RPM tell tale memory as standard, plus a user-configurable output to drive an optional external gear shift light. Push-button programming and simple four wire harness make installation simple.