OBDResource ELM327 Car Fault Bluetooth Diagnostic Instrument Supports iOS and Android Bluetooth 4.2 supports iOS and Android phones, compatible with self-developed software FasLink X (available on App Store and Google Play) The software automatically connects to the device without requiring manual Bluetooth pairing or a password Designed for 12V vehicles equipped with a standard OBD interface manufactured since 1996 Used to 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, EOT, EGT, throttle position, boost pressure, vehicle speed, and fuel trim Helps users monitor vehicle performance and diagnose issues when the check engine light is activated High compatibility with all OBD2-compliant vehicles, including cars, SUVs, and light trucks sold in the United States, Europe, and Asia since 1996 Supports all OBD2 protocols: J1850 PWM, J1850 VPW, ISO9141, CAN, KWP2000 Compatible with iOS and Android devices; offers improved connection stability over Bluetooth 3.0 and WiFi versions, with a wireless range of up to 2050 meters in open space Dimensions: 2.76 x 1.85 x 0.98 inches