Iobd2 mfi bt works with all 1996 and & newer model year cars and light trucks (obdii & eobd2)-domestic and import. Function: 1) diagnostic The [diagnostic] functions include: [reads dtcs]: reads the current dtcs stored in the car engine and shows their detailed information. [clear dtcs]: clears all the current dtcs. [live data]: reads all the running parameters related to the ecu. [freeze frame data]: ecu will set dtcs and record the data stream of the car engine at the moment when emissions related faults occurred. And the data is called freeze frame data. [readiness test]: shows the status of readiness test. Click readiness test in the menu, the screen will display the test status of the car. Support and complete: it means the car supports this test and has completed. Support but incomplete: it means the car supports this test but has not completed. Not supported: it means the car does not support this test. 2) my dashboard [my dashboard] function includes: [idle mode]: show you the engine rotational speed, water temperature, battery voltage, air-intake temperature, instant fuel consumption (static), average fuel consumption. Package box dimension:13.5x8x3.8cm Carton size:42*36*32cm, 100pcs/ctn, g.W 15kg