Usage Tips:1Powerful Functions: Car engine system diagnosis, clear engine light fault code, car data flow, and conventional Obd functions can be realized. 2Quick Diagnosis: Wireless Bluetooth 4.0 connection, 25K80 main control chip, improve the reading speed of the OBD2 scanner, and quickly diagnose your vehicle failure. 3Support Multi Protocols: Sae J1850 Pwm, Sae J1850 Vpw, ISO9141 2, ISO14230 4 Kwp, ISO14230 4 Kwp, ISO15765 4 Can, ISO15765 4 Can, ISO15765 4 Can, ISO15765 4 Can. 4Cost Savings: A compact and powerful tool that provides fault codes, monitors the status of your vehicle, finds problems, maintains them in time, and even solves minor problems yourself. 5Plug and Play: Even beginners can easily use it without complicated setup and installation, just plug it into the car's OBD2 port to help you complete the diagnosis more intuitively.