The Ultra 6AL greatly expands on the capabilities of the 6-series line with three rev limiters (Launch, Burnout, and Step Retard activation) and is wirelessly controlled from a smart phone via the "MSD Ultra 6AL" app. A Programmable Step Retard (up to 30 degrees) is available for: On Ramp time, Off Delay, Off Ramp Time, Engine RPM for activation. High level of security connection from phone to Ignition box (encryption) including sequence in push button implementation. Mobile app available settings include Cylinder selection, Step retard value, Launch RPM value, Burnout RPM value, Max (Race) RPM Value, Start retard value. The new ground-breaking Ultra 6AL delivers full MSD power in a compact, feature dense, and lighter package!