Support nine standard protocols of OBD II/EOBD;Support 0BD functions such as vehicle fault diagnosis and real-time data streaming.With data storage and playback functions:Data with emission testing 2.8 inch TFT color screen LCD; Good reliability, wide power supply voltage range of 8~36V, with stronger over-current and over-voltage protection functions.Support languages: German, Dutch, English, Spanish, French, Italian, Russian, ChineseThe red light represents the power signal light: the yellow light represents the fault code signal light, and the yellow light is on when the fault code is detected: the green light represents the connection adapter signal light.When the product is matched with the car, the green light is on, and the green light is off, which means the model does not match. Applicable to models that comply with the ca's regular OBD II agreement.