Suitable for all engine and ignition types; fully water and dust proof. Uses proven Stack stepper motor movement for exceptional reliability and perfect accuracy - guaranteed for life! Maintenance free 'Electric Blue' LED backlighting. Fits standard 80mm cutout and is supplied with a comprehensive installation kit and manual. Features peak RPM telltale and is user configurable for all negative earth and magneto ignition systems (ideal for wasted spark conversions). Available in both black and white face with the following rpm faces (some of the higher ones are a cost option): 0-8000, 0-4-10500 and 0-6-15000rpm. Optional shift light.