Here is the feature list of the HKS EVC III unit:
(new 95 model)

- capable of high boost increases, stock boost up to 2.0 bar (30psi)
- digital boost meter, shows real time vacuum and boost pressures
- direct boost input, uses digital display which allows easy input of
  desired boost levels.
- three mode adjusting feature, low, high, and maunal. When EVC power
  is off, boost pressures return to stock levels.
- LCD display, with backing light.
- scramble boost feature, push button scramble boost switch or external
  switch optional.
- selected boost memory, stores pre-set boost levels.
- warning feature, when vehicle reachs warning boost level, display will
  flash with audible alarm.
- wastegate type selection, allows selection of external or internal
  wastegate type.
- serial port, unit is capable of inferfacing with other HKS products.
- fuzzy logic programming, automatically learns the boost curve of your
  vehicle.
- atmospheric pressure sensor, provides constant boost pressure levels
  regardless of atmospheric pressure. Can be turned on or off. This
  feature is available in EVC III atm model only.