Dual-fire electronic ignition system features fully encapsulated constructionIncludes special trigger rotor for use with traditional mechanical advance mechanismPrecise digitally set rpm limiter (200 rpm steps from 5200 to 7000 rpm)Status LED for easy static timingElectronic dwell control for maximum ignition energy at high rpm and reduced current draw at low rpmCompatible with most OE and aftermarket dual-fire ignition coilsHall effect sensor detects teeth on trigger rotor and provides stable spark timingOperates down to below 6 voltsEasy installation; two wire hookup to coilWaterproof and highly resistant to vibration and shockOver-temperature protection; rated to operate at 260°F (125°C)