12-Volt Negative Ground Multiple sparks thru the entire RPM range. Integrated digital REV limiter with LED feedback for precise RPM setting. Memory safe function stores settings eliminating unintended changes to Rev limit. Adaptive dwell maintains peak energy throughout the entire RPM range, reducing misfires while improving engine performance. Peak current level is reached just prior to spark for maximum energy without the heat build-up, increasing coil performance and module reliability. Pair with a Flame Thrower Canister Coil for optimal performance