Stop guessing what that dash light means. This OBD2 Bluetooth scanner reads and clears fault codes straight from your phone, giving you the same diagnostic access as a mechanic's shop for a fraction of the cost.Pair it over Bluetooth and you're in - works with Android, iOS and Windows, and reads over 3,000 generic and manufacturer-specific trouble codes. Clear the Check Engine light yourself instead of paying a shop just to plug in a scanner.Beyond fault codes, it streams live data: RPM, coolant temp, fuel trims, intake pressure, throttle position, oxygen sensor voltages and more - useful for catching problems early or just keeping an eye on your car's health during a tune.Compact ELM327 interface, plug-and-play setup, no app subscription required.Specs: 9-16V working voltage, Bluetooth-enabled, -40C to 65C operating range.