MSD Ignition Control Street Fire CDI 5520 Ignition Box Output: Capacitive discharge Circuitry: Digital Rev Limiter: Yes Timing Retard: None Data Acquisition: No CD Voltage Output to Coil: 435 V Current Draw: 0.7 amps per 1,000 rpm Spark Output (millijoules): 95 Millijoules Minimum Operating Voltage: 10 V Maximum Operating Voltage: 18 V Ignition Box Color: Black Coil Included: No