Know your vehicle better. Turn your Android smartphone or tablet into a sophisticated diagnostic scan tool and real-time performance monitor. The VP11 plugs directly into your vehicle and connects via Bluetooth to an OBD II app on your Android device. Whenever you have a check engine light on or want to see how your car is performing, the VP11 is a useful diagnostic tool.Compatible with cars and light trucks manufactured in the EU and UK since 2001 (gasoline) and 2004 (diesel).Note: 1. This OBD adapter requires a compatible third-party app. Recommended apps include Car Scanner ELM OBD2, Torque Lite, OBD Fusion, and Inforcar, available on the Google Play Store. 2. This device works only with Android and Windows devices. Apple iOS devices are not supported. Consider the VP01 WiFi version or the OBDCheck BLE Bluetooth 4.0 version for iPhone or iPad use. Android head units are not recommended. 3. If the device shows as paired or previously connected on your Android phone, it is still connected via Bluetooth. Launch your OBD app to establish communication.The VP11 allows you to read trouble codes that trigger the check engine light, helping you identify potential issues and resolve simple problems yourselfpossibly saving time and money on repairs. When used with a compatible OBD app, you can: - Read and clear engine trouble codes - Reset the check engine light - View freeze frame data - Monitor live sensor data - Create custom dashboards - Check vehicle readiness for emissions testing - View oxygen sensor test results (Mode 05) - View onboard diagnostic monitor test results (Mode 06) - Graph and log real-time sensor readings - Monitor fuel consumption - Retrieve vehicle information such as VIN and calibration IDs Supported Android apps: Torque Lite, OBD Fusion, DashCommand, Car Scanner ELM OBD2, JScan, Dr. Prius, Inforcar, AlfaOBD, VAG DPF, FAPlite, EVNotify, OBD Auto Doctor, Piston, LeafSpy, EOBD Facile, CanZE, Car Gauge Pro, etc. Supported Windows apps: OBD Auto Doctor, EOBD Facile, Car Scanner, etc.