Pertronix 1381a
Sounds like whomever answers the phone/email actually has no clue as to how the thing works.
What do we know.
To run the device, a "12 Volt" source of power is needed.
That's actually somewhat vague. More helpful will be if the instructions say it will draw x amps at 12 Volts. Also would be good to find out the minimum supply voltage needed.
However this diagram implies the unit will operate at less than 12 Volts during startup.
As to whether it has a current controller.
Best I can tell the basic "Ignitor I" is nothing more than a points replacement open/closed for the coil. Therefore everything else remains stock.
The Ignitor II kits claim to have adaptive dwell (so in theory would be as good as dual points at high rpm), and these claims
- Synchronized peak current and spark timing reduces heat build-up
- Senses start-up and develops more energy for quicker, easier starting
which suggest there may be a current controller for the coil (at least on some).