Specification:ELM327 MINI OBD SCAN is the newly developed wireless scan tool. It supports most standard OBD-II protocolsHardware V2.1, Software V2.1Bluetooth Password :0000 / 1234 / 6789Works on Android Torque (support Android smartphone System with Android 4.0-Android 4.4 version) /PC( win XP/WIN 7 32bits and close anti-virus program), BUT IT NO WORKS iOS!It CAN'T support Diesel or Trucks.This ELM327 V2.1 supports most of the OBD-II protocols cars, but it can not do all models, also some OBDII protocols may do not support( like J1850 VPW &J1850 PWM protocols no support).Hardware V2.1 Supprots 7Protocols:1.ISO9141-2(5 baud init,10.4Kbaud)2.ISO14230-4 KWP(5 baud init,10.4 Kbaud)3.ISO14230-4 KWP(fast init,10.4 Kbaud)4.ISO15765-4 CAN(11bit ID,500 Kbaud)5.ISO15765-4 CAN(29bit ID,500 Kbaud)6.ISO15765-4 CAN(11bit ID,250 Kbaud)7.ISO15765-4 CAN(29bit ID,250 Kbaud)A.SAE J1939 CAN(29bit ID,250*Kbaud)B.USER1 CAN(11*bit ID,125*Kbaud)C.USER2 CAN(11*bit ID,50*kbaud)*default settings (user adjustable)1.Works with OBD-II compliant vehicles2.Wireless (Bluetooth) 5 10 meter3.Software included for Pa, PDA,Mobile4.Software included for Windows PC ,Can also be used with a PC with a Bluetooth Card.5.Software included for Windows Smartphone Android torqueFeatures:1. Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database).2. Clear trouble codes and turn off the MIL ( Check Engine light)3. Display current sensor data, including:4. Engine RPM5. Calculated Load Value6. Coolant Temperature7. Fuel System Status8. Vehicle Speed9. Short Term Fuel Trim10. Long Term Fuel Trim11. Intake Manifold Pressure12. Timing Advance13. Intake Air Temperature14. Air Flow Rate15. Absolute Throttle Position16. Oxygen sensor voltages/associated short term fuel trims17. Fuel System status18. Fuel Pressure19. Many others.Package included:1 x ELM327 Diagnostic tool