Nope, thats and apexi mulit-checker:
air/fuel ratio
MAF flow
Injector duty cycle
Speed(removes limiter as well)
Tach
Timing
alarm settable for RPM,inj,MAF
Cant remeber it all
As for install.. kind of a pain to get to the wires at the ecu cuz they are tightly packed. Ill take some pics of my temporary setup for ya..