APPS COMPATIBILITY: The OBD2 scanner supports Android and iOS. Compatible apps include Car Scanner, OBD Auto Doctor, Torque Lite/Pro (Android), DashCommand (Android), Accurate (iOS), etc. (App developers may charge fees) Read and Clear All Codes: In addition to the functions provided by the obd2 scanner bluetooth (clear fault codes, check engine fault codes), the obd2 scanner diagnostic tool also has complete vehicle function diagnostics, such as airbag detection, ABS, turn signal control system, tire pressure monitoring, etc. Vehicle CEL Doctor: Vehicle CEL Doctor: iCar2 code reader and scan tool enables you to read data, access electronic emission readiness status, turn off CEL (check engine light) or MIL, reset monitor, battery health check, freeze frame, onboard monitoring, performance test, data streaming, diagnostic report. Automatic Sleep Mode: After 30 minutes of no Bluetooth connection, the iCar2 adapter will automatically enter sleep mode, no longer consume the car battery, say goodbye to traditional wireless car scanners. In addition, the fixed car diagnostic tool is equipped with a three-color indicator light to clearly show the connection status. Mini Design - Easy to plug and unplug your car OBDII port, comes with a mini carrying case. Perfect scan tool for people to check your car in the garage or on a trip. Can be paired with a 16-pin extension cable for easy observation of the indicator light