The iDash uses all OBD-II sensor data or supplemental Banks Sensor Modules
for acurate calculations.
This information provides you with the real stats you need to fully understand how much power your engine can make, and how efficient it is running.
No other gauge on in the world can do that, in-fact its a Banks exclusive.
U.S. Patent # 7,254,477 B1 & 7,593,808 B2
With Banks AirMouse®