Sampan CS-023 OBDII Bluetooth Scan Tool for Android and Windows MINI DIAGNOSTIC INTERFACE works with all vehicles in USA, model-year 1996 or newer! We GUARANTEE IT! BE CAREFUL about other products with lower prices that say "Latest Version" but they do not support all protocols! But ours do (including J1850 - PWM and VPW)!! It Is GUARANTEED! (Some hybrid cars may not work with Sampan OBDII Interface) See Comparison Chart [pdf ] Easy Setup!! Plug in the device, start your vehicle, connect/pair your phone with Bluetooth device named "OBDII" (pin 1234/0000) and run the App (Some settings in the App may be required). Read & Clear diagnostic trouble codes for Check Engine light, both generic and manufacturer specific codes, Display current sensor data such as Engine RPM, Calculated Load Value, Coolant Temperature, Fuel System Status, Vehicle Speed, Short Term Fuel Trim, Long Term Fuel Trim, Intake Manifold Pressure, Timing Advance, Intake Air Temperature, Air Flow Rate, Absolute Throttle Position, Oxygen sensor voltages/associated short term fuel trims, Fuel System status, Fuel Pressure and many more!! A CD contains the complete package of Android App for free!!! Please read the disc by your PC, transfer the APK file to your android device and install it. 100% Money Back GUARANTEE, including 1-year Replacement Warranty with friendly and professional customer service.