The ScanGaugeII is a compact vehicle computer that connects to the diagnostic connector in seconds and gives you an extensive trip computer, real time gauges and trouble code reader. It can read fuel economy as you drive, tell you how fast your friend drove your car last night, tell you when you are going to run out of fuel and dozens of other functions. Installation takes only seconds and requires no tools. It can be moved from car to car. Works on gas, diesel, propane, and hybrid vehicles. The ScanGaugeII works on all OBDII protocols including the new CAN protocol. The ScanGaugeII is a 3-in-1 automotive computer that combines a multifunction trip computer, diagnostic scan tool, and up to 37 digital gauges in one small package. It connects easily to your vehicle's On-Board Diagnostic (OBDII) port and communicates directly with the vehicle's computer. Not sure if your car uses OBDII or Controller Area Network (CAN)? The unit will automatically determine which system to use and switch to it. The ScanGaugeII...