Highlight: 1. Our iCar2 is 100% original and the firmware version is V2.1 full standard OBD OBD2 protocol 2. Supports operating systems for Android and Windows. It can produce most OBDII gasoline 12V cars, but cannot support all OBDII cars. The power button is only used to reset the device and does not have an on or off function. If you install ScanMaster ELM software on your PC, it will provide multiple language options. English, Czech, German, English, French, Croatian, Hungarian, Italian, Polish, Serbian, Turkish. Superior to ELM327 ELM 327 V1.5 version V 1.57. It is also suitable for diesel engine vehicles, but not for light trucks that only support 12V. Q: Does Elm327 support my car? A: Supports all OBD2 vehicles. Please check the following rules yourself. Suitable for American cars: We have been researching OBD2 cars since 1996. Suitable for European cars: OBD2 cars have been used since 2003. Suitable for Japanese cars: It has been running on OBD2 cars since 2005. Suitable for other Asian cars: We have been developing OBD2 cars since 2009. Features and functions of ICAR2: 1. Read universal and manufacturer specific diagnostic trouble codes and display their meanings (there are over 3000 universal code definitions in the database). 2. Clear the fault code and turn off the MIL ("Check Engine" light). 3. Display current sensor data, including: 4. Engine speed 5. Calculate the load value of 6. The coolant temperature is 7. Fuel system status 8. Vehicle speed 9. Short term fuel adjustment of 10. Long term fuel adjustment 11. The intake manifold pressure is 12. Timing is advanced by 13. The intake temperature is 14. Airflow 15. Absolute throttle position 16. Oxygen sensor voltage/related short-term fuel regulator 17. Fuel system status 18. Fuel pressure arm prompt: does not support Russian domestic cars, such as VAZ.2112119.2117.2170.2121.23. LADA is not supported. For Renault Dacia Logan, there is no guarantee. For Shuanglong, it is only suitable from 2015 until now.(WiFi version)