This is PC-based scan tool. It supports OBD-II protocols and is dispatched with a number of compatible programs. It allows you to use your PC and a hardware interface to get the information from your car's computer. It is easy to learn, and easy to install.The output protocol (connection to laptop) is Bluetooth. Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database). Functions:

• Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database).
• Clear trouble codes and turn off the MIL ("Check Engine" light)
• Display current sensor data, including:
• Engine RPM
• Calculated Load Value
• Coolant Temperature
• Fuel System Status
• Vehicle Speed
• Short Term Fuel Trim
• Long Term Fuel Trim
• Intake Manifold Pressure
• Timing Advance
• Intake Air Temperature
• Air Flow Rate
• Absolute Throttle Position
• Oxygen sensor voltages/associated short term fuel trims
• Fuel System status
• Fuel Pressure