The Mini ELM327 Bluetooth OBDII scanner is an engine performance and diagnostics tool for both automotive enthusiasts and professionals. Paired with your Android smartphone or tablet， the ELM327 Bluetooth allows you to easily scan and clear engine codes， view and save real-time engine and performance data and much more.Highlights: Read and erase diagnostic trouble codes (DTCs) and turn off the check engine light Connect to an Android Smartphone using one of the many free compatible apps or a Bluetooth? enabled computer using the supplied software View real-time vehicle data， graphs and performance parameters while you're driving Find and fix problems before they happen Pays for itself with one use Connects wireless via Bluetooth up to 3 meters (no annoying cables) Compatible with all OBDII compliant vehicles The latest Printed Circuit Board (PCB) and smallest module design Dimensions: 1.9 x 1.4 x 1 inchesBluetooth Pairing Password: 1234 Multi-Protocol Support: ISO 9141-2 (5 baud init， 10.4 kbaud) ISO 14230-4 KWP (5 baud init， 10.4 kbaud) ISO 14230-4 KWP (fast init， 10.4 kbaud) ISO 15765-4 CAN (11 bit ID， 500 kbaud) ISO 15765-4 CAN (29 bit ID， 500 kbaud) ISO 15765-4 CAN (11 bit ID， 250 kbaud) ISO 15765-4 CAN (29 bit ID， 250 kbaud) Vehicle Coverage:Works on most OBDII Vehicles (1996+ and some 1994-1995) and EOBD vehicles (Petrol cars from 2001+ and diesel cars from 2003/2004 in Europe)For your vehicle to be OBD II compliant it must have a 16-pin DLC (Data Link Connector) under the dash and the Vehicle Emission Control Information Label must state that the vehicle is OBD II compliant With the appropriate applications， perform the following operations: Read diagnostic trouble codes， both generic and manufacturer-specific， and display code descriptions with over 3000 universal code definitions in the database Clear diagnostic trouble codes and turn off check engine lights Display and record real-time sensor data， including: Engine RPM Coolant Temperature Calculated Load Value Fuel System Status MPH Speed Short Term Fuel Trim Long Term Fuel Trim Intake Manifold Pressure Timing Advance Intake Air Temperature Air Flow Rate Absolute Throttle Position Oxygen Sensor Voltages/Associated Short Term Fuel Trims Fuel System Status Fuel Pressure + More