Product Overview: Transform your smartphone or PC into a professional-grade car diagnostic tool with the HH OBD Advanced Bluetooth ELM327 V2.1 Scanner. This compact device plugs directly into your vehicle's OBDII port and connects via Bluetooth to your Android device or Windows PC, allowing you to read fault codes, clear the "Check Engine" light, and view real-time sensor data. Key Features: Read & Clear Codes: Quickly diagnose why your Check Engine Light is on. Reads both generic and manufacturer-specific diagnostic trouble codes (DTCs) and displays their meaning (over 3000 generic code definitions in the database). Wireless Bluetooth Connection: No messy cables. Connects wirelessly to your Android phone/tablet or Windows Laptop (Note: Not compatible with iOS/iPhone). Real-Time Sensor Data: Monitor your engine's performance in real-time. Displays current sensor data including: Engine RPM Calculated Load Value Coolant Temperature Fuel System Status Vehicle Speed Short/Long Term Fuel Trim Intake Manifold Pressure Timing Advance Intake Air Temperature Air Flow Rate Absolute Throttle Position Oxygen sensor voltages and more. Compact Design: The "Mini" size ensures it fits in your glove box or center console easily, and can often be left plugged in without obstructing the driver's legroom. Compatibility: Vehicle Coverage: Works with most OBD-II compliant vehicles. US Brands: Works on most cars made after 1996. EU Brands (Petrol): Works on most cars made after 2001. EU Brands (Diesel): Works on most cars made after 2004. Japan/Korea Brands: Works on most cars made after 2006. Supported Protocols (V2.1): ISO 9141-2 (5 baud init, 10.4 kbaud) ISO 14230-4 KWP (5 baud init, 10.4 kbaud) ISO 14230-4 KWP (fast init, 10.4 kbaud) ISO 15765-4 CAN (11 bit ID, 500 kbaud) ISO 15765-4 CAN (29 bit ID, 500 kbaud) ISO 15765-4 CAN (11 bit ID, 250 kbaud) ISO 15765-4 CAN (29 bit ID, 250 kbaud) App Support: Compatible with popular Android Apps such as Torque Pro, Torque Lite (Free), OBD Car Doctor, and DashCommand. Specifications: Type: Code Readers & Scan Tools Chip: ELM327 V2.1 Interface: 16-pin OBDII Standard Connection: Bluetooth Color: Black (HH OBD Advanced Design) Voltage: 12V Package Includes: 1 x HH OBD Advanced Bluetooth OBD2 Scanner Interface (Note: Software is not included in the box; please download apps from the Google Play Store).