OBDResource ELM327 Car Fault Bluetooth Diagnostic Tool Supports iOS and Android 1. Bluetooth 4.2 supports iOS and Android phones. Use the FasLink X app (available on App Store and Google Play) 2. No Bluetooth pairing or password required. Launch the app to automatically connect 3. Designed for 12V vehicles equipped with standard OBD2 ports from 1996 and newer 4. Read and clear diagnostic trouble codes, reset the check engine light, view IM readiness for smog inspection, and monitor real-time sensor data including O2 sensor readings, engine oil temperature, exhaust gas temperature, throttle position, boost pressure, vehicle speed, fuel trim, and more 5. Ideal for checking vehicle performance or diagnosing check engine light issues 6. High compatibility with 1996 and newer cars, SUVs, and light trucks sold in the United States, Europe, and Asia 7. Supports all OBD2 protocols: J1850 PWM, J1850 VPW, ISO9141, KWP2000, CAN 8. Works with iOS and Android devices. Offers improved connection stability over Bluetooth 3.0 and WiFi versions. Connection range up to 20-50 meters in open space 9. Dimensions: 2.76 x 1.85 x 0.98 inches