ScanGauge II

The ScanGaugeII is an extremely compact automotive computer designed to read and display information about your vehicle in real time.

Simply connect the ScanGaugeII to your vehicle through it's OBDII port using the included cable, turn the ignition key and the ScanGaugeII automatically connects to your cars internal computer - it's that simple.
Automatically tracks four sets of trip data - Each with 11 individually stored parameters.
Driving Distance. Fuel Used. Trip Fuel Economy. Distance to Empty. Time to Empty. Fuel to Empty
Display 4 gauges at a time from the 12 built-in digital gauges. the information is presented in Real-time!
. Fuel Economy. Fuel Rate. Battery Voltage. Coolant Temperature. Intake Air Temperature. Engine Speed (RPM). Vehicle speed (MPH). Manifold Pressure (not available on some vehicles). Engine Load. Throttle Position. Ignition Timing. Open/Closed Loop
The ScanGaugeII allows you to troubleshoot your own car, read error codes, and the conditions present when the error occurred. You can also turn off the “Check Engine” light and avoid those costly trips to the mechanic.
. Reads Trouble Codes. Reads conditions that set the Trouble Code. Clears Trouble Codes. Turns off the "Check Engine" light. Tells you when vehicle is "Ready" to pass OBDII testing. Make and store up to 10 rewritable special codes to send to the vehicle computer

Here's a video on the setup of the ScanGauge II