- Reduced size from PCIIIusb (less than half of the size of PCIII)
- USB powered from computer (9 volt adapter is no longer needed for programming)
- 2 position map switching function built in (map switch not included)
- Unit has a -100/+250% fuel change range (up from -100/+100%).
- 10 throttle position columns (up from 9 on PCIIIusb)