Features: The Ultra 6AL greatly expands on the capabilities of the 6-series line and is wirelessly controlled from a smart phone via the MSD Ultra 6AL app; Built-in tri-step RPM rev limit capability - Launch, Burnout, and Step Retard activation; Mobile app available settings: Cylinder selection, Step retard value, Launch RPM value, Burnout RPM value, Max (Race) RPM Value, Start retard value; Programmable Step Retard (up to 30 degrees): On Ramp time, Off Delay, Off Ramp Time, Engine RPM for activation; Programmable Start Retard: 0, 10, 20 degrees; Alerts and monitors available; High level of security connection from phone to Ignition box (encryption) including sequence in push button implementation; High conversion efficiency ensures minimal heat generation and maximum spark energy output with less current draw from the battery - (Highly efficient Ignition, minimum heat and max spark energy with less current draw); High RPM operation and maximum output using the Blaster HVC, PN 8252 or HVC II, PN 8253; Powerful capacitive discharge of multiple sparks improves performance - quickens throttle response & improves starting; Consistently high spark energy of 135mJ to 150mJ for every firing, from idle to redline RPM; Increase spark series duration lasts for 18 of crankshaft rotation; Operates on most 7 to 28 volt electrical systems; Connects to points, magnetic pickups, and Hall/Crank Input distributors on 4,6, and 8-cylinder engines; MSD CAN communication for easy connectivity to MSDView using a CAN MSD Hub and Power Grid USB or CAN-USB Bridge 89982 product; Fully protected against an open coil, shorted coil & open load; Tach Output;