Attention:1.ELM327 can support most brands of gasoline vehicles, but it cannot support all brands of vehicles.2. Blueetooth doesn't work on IOS.3.If CD was broken during the transportation proces, pls don't worry and contact me to get the software download link.4, If you have any problem , pls contact seller firstly, we will give you best solution.pls do not open dispute or leave bad feedback directly, thanks for your cooperation !Features:The newly developed high-quality wireless scan tool, support all OBD2 protocols.Work with all OBD2 compliant vehicles.Enable to read diagnostic trouble codes.Small bluetooth interface with a 16 pin socket.Support different kinds of devices to use this scan tool:Android system phones(hardware V4.1-4.3), Symbian system phones,Windows XP and WIN7 32bite computers.With a switch to turn on/ off these indicator lights.Functions:Read diagnostic trouble codes, both generic and manufacturer specific, and display their meaning (over 3000 generic code definitionsin the database).Display current sensor data, including:1.Engine RPM2.Calculated Load Value3.Coolant Temperature4.Fuel System Status5.Vehicle Speed6.Short Term Fuel Trim7.Long Term Fuel Trim8.Intake Manifold Pressure9.Timing Advance10.Intake Air Temperature11.Air Flow Rate12.Absolute Throttle Position13.Oxygen sensor voltages/associated short term fuel trims14.Fuel System status15.Fuel PressurePacking List:1 * ELM327 OBD2 bluetooth diagnostic interface.