CAN BUS EOBD OBD 2 OBD2 Diagnostic Interface V1.5, have both USB and COM interface
A great tool for everyone with a 1996 or newer car
Turn off the Check Engine Light, read trouble codes and monitor performance

Work on 1996 or newer OBD 2 / EOBD / JOBD compliant cars and trucks
Compatible with:
SAE J1850 PWM (41.6 kbaud)
SAE J1850 VPW (10.4 kbaud)
ISO 9141-2 (5 baud init, 10.4 kbaud)
ISO 14230-4 KWP (5 baud init, 10.4 kbaud)
ISO 14230-4 KWP (fast init, 10.4 kbaud)
ISO 15765-4 CAN (11 bit ID, 500 kbaud)
ISO 15765-4 CAN (29 bit ID, 500 kbaud)
ISO 15765-4 CAN (11 bit ID, 250 kbaud)
ISO 15765-4 CAN (29 bit ID, 250 kbaud)

Baud rate: 9600 or 38400
Indicator LEDs: OBD Tx/Rx, RS232 Tx/Rx, Power
Operating voltage: 12V, internal protection from short circuits/overvoltages

No adapter or batteries needed. Take its power directly form the vehicles OBD2 plug.

Vehicle Coverage:
US Vehicles
Generally these went OBD-II from around 1996. For exemple:
GM/Vauxhall/Opel/Holden '96 - Now (OBD-II)
Ford '96 - Now (OBD-II)
Chrysler '96 - Now (OBD-II)
Toyota '96 - Now (OBD-II)
Honda '96 - Now (OBD-II)
NISSAN '96 - Now (OBD-II)
SUBARU Impreza
etc.

European Vehicles
If your petrol passenger vehicle was manufactured for sale in Europe, with the model year of 2001 or newer (and in some cases 2000), you have the EOBD / OBDII interface. EOBD diesel vehicles start with the 2004 model years. Some Asian models like Subaru were OBD-II before 2000.

All other Asian and European '96 - Now (OBD-II) such as Porsche, Opel, BMW, Mercedes, Volvo, Renault, Peugeot, Citroen, Daewoo, Alfa Romeo, Hyudai, Daihatsu, Lancia, Mazda, Mitsubishi, Kia, Saab, Subaru, Smart, etc.

If your car's Check Engine Light is on, you need this device. Interface is a pc device which reads and erases trouble code in your vehicles. It can also display live data for your vehicle.

Features:
Competitive in price and easy to use
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)
Show current sensor data, for exemple:
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
Etc.