Product overview A compact ELM327 WiFi OBD2 adapter that plugs into your vehicle OBDII port to provide diagnostic data to iPhone, iPod, and iPad apps. The adapter is plug and play, draws power from the vehicle port, and uses a WiFi link to deliver live engine and system information to compatible mobile apps. Key benefits Diagnose check engine light quickly: Read and clear standard OBDII diagnostic trouble codes to identify the subsystem and fault code before costly repairs. Monitor vehicle health in real time: View live sensor data such as engine RPM, coolant temperature, fuel trim, and battery voltage to spot issues early. Save time and expense: Perform basic troubleshooting and maintenance checks yourself, or gather precise information to share with a technician. Portable and easy to use: Small form factor and simple WiFi setup make it convenient to carry and use on multiple vehicles. What it does Reads and clears standard OBDII diagnostic trouble codes and pending codes. Displays realtime data and standard OBDII parameters. Provides freeze frame data and VIN reading when supported by the vehicle. Works over a WiFi connection with compatible diagnostic apps on iPhone, iPod, and iPad. Compatibility and requirements For use with vehicles that support the OBDII standard. Typically compatible with most cars and light trucks from model year 1996 and later, depending on region and vehicle. Requires a WiFicapable iPhone, iPod, or iPad and an app that supports WiFi ELM327 adapters. Plugs into the standard 16pin OBDII port and is powered by the vehicle. Physical and performance attributes Compact plugin dongle with durable plastic housing for invehicle use. Lightweight and portable for easy storage in glove box or toolbox. Stable WiFi connection for responsive data streaming to mobile devices. No external power or batteries required; powers from vehicle OBDII port. Practical use scenarios Before a service visit: Read stored and pending codes, capture freeze frame data, and share exact fault codes with a mechanic to speed up diagnosis. Road trip monitoring: Keep an eye on coolant temperature, battery voltage, and fuel system data in real time to prevent trouble during long drives. Pre inspection: Check for hidden or intermittent issues by scanning for historical codes and monitoring live sensor values during a test drive. What to expect A simple diagnostic tool for reading standard OBDII information and monitoring engine parameters through WiFienabled apps on iPhone, iPod, and iPad. Compatibility depends on vehicle OBDII support and the diagnostic app used. For results, use an app that lists support for WiFi ELM327 adapters. Package contents ELM327 WiFi OBD2 adapter.