ELM327 V1.5 BT4.0 for Android/IOS: 1. Special chip:BT4.0 Chip 2. Supported systems: IOS/Android 3. Software:Android: ELM327 dentifier/Torgue/Dashcommand/Auto Doctor PC: Scanmaster 4. Features:Support 9 Standard OBD2 Protocols, 90% cars can be supported Super Mini ELM327 BT4.0 Functions: 1:Read diagnostic trouble codes, both generic and manufacturer-specific,and display their meaning (over 3000 generic code definitions in thedatabase). 2: Clear trouble codes and turn off the MIL ( "Check Engine" light) 3: Display current sensor data, including: 4: Engine RPM 5: Calculated Load Value 6: Coolant Temperature 7: Fuel System Status 8: Vehicle Speed 9: Short Term Fuel Trim 10: Long Term Fuel Trim 11: Intake Manifold Pressure 12: Timing Advance 13: Intake Air Temperature 14: Air Flow Rate 15: Absolute Throttle Position 16: Oxygen sensor voltages / associated short term fuel trims 17: Fuel System status 18: Fuel PressurePurchaseNotes:All products are sold without CD. If you need software, pleasedownload in the mobile APPstore or scan the packaged QR code, or contactthe buyer for download link,and V2.1 Version some car can’t support