Notice:1. If the CD you receive is broken, please contact us to get software link to download2. Do not leave any negative feedback without contact us3. When you have problems during installation or usage, please contact us to get after-sales service.ELM327 WIFI V2.1 Functions: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 (//and x27;//and x27;Check Engine//and x27;//and x27; light)3.Display current sensor data4.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.Does Not Match ABS And Airbag System!Connection:WIFI / Bluetooth ELM327 V1.5 Cars Coverage:(Only support 12V Gasoline car,diesel car not supported )1.American car support car after 1998 year2.European car support car after 2000 year3.Asian car support car after 2002, (Japanandamp;Koreaandamp;andamp;so on)4.Russian cars support after 2012 year (For VAZ/UAZ/GAZ car)WIFI / Bluetooth ELM327 V1.5 Supported Software:Compatible with IOS,iPhone and Android:What is the differences between V2.1 and V1.5?img style="font-family:inherit;font-size:0px;font-weight:inherit;line-height:inherit;color:transparent;border:non Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.