Etekcity OBD Car Diagnostic Scan Tool Diagnose error codes for vehicles made 1996 and later. Know the exact issue your vehicle is experiencing before servicing or undergoing maintenance. Wireless direct ECU connection and single button activation. Feeds live metrics for acceleration, revs, throttle, speed, boost, and coolant level. Have real time metrics on trip information to easily pinpoint when the cause of error occurred Supports iPhone, iPad, iPod Touch, iOS & Android devices