This product can only detect 12V gasoline vehicles / diesel vehicles / hybrid vehicles that comply with OBD2 and EOBD standards. These are the five major protocols: CAN, J1850 PWM, J1850 VPW, ISO9141, KWP2000. All 24V trucks, trucks, and electric vehicles cannot be detected. Supports eight languages: English, French, German, Dutch, Spanish, Russian, Portuguese, Italian; no Chinese. Can detect car battery voltage; computer can print car fault code; can upgrade online for free:  Product Description:  KONNWEI KW850 OBDII/EOBD Scanner supports all 10 modes of OBDII test for a complete diagnosis. Featuring the unique patented One-Click I/M Readiness Key, TFT color display and built-in speaker, the KW850 is truly the ultimate in power and affordability, allowing users to do their jobs faster. In addition, thousands of troubleshooter code tips help technicians to save diagnosis and repair time.    Scanner Features & Functions:   *Works on all 1996 and later OBDII compliant US, European and Asian vehicles   *Easily determines the cause of the Check Engine Light ( MIL)   *Retrieves generic (P0, P2, P3, and U0) and manufacturer specific (P1, P3, and U1) codes   *Turns off Check Engine Light (MIL), clears codes and resets monitors   *Displays DTC definitions on unit screen   *Views freeze frame data   *Displays monitor and I/M readiness status (emissions)   *Identifies pending codes   *eads live PCM datastream   *Displays live O2 sensor test data   *Graphs data C (1996 and newer)   *Reads, stores & playbacks live sensor data   *Memory/battery backup for off-vehicle data review and analysis   *Support eight languages: English, French, German, Dutch, Spanish, Russian, Portuguese, Italian  *Performs modules present test   *Retrieves vehicle information (VIN, CIN and CVN)   *Supports CAN (Controller Area Network) and all other current   *OBD-II protocols   *Built-in OBD-II DTC lookup library   *Large easy-to-read backlit LCD screen   *Software upgradeable via internet   *Prints data via PC     Accessories Included:  1)User's Manual  2)USB cable  3)Protective Nylon case  4)A color box  Weight: 0.75 KG