CHEERLINK&reg; ELM 327 V2.1(bluetooth version) Bluetooth Obdii Obd2 Diagnostic Scanner, Elm327 Wireless OBD 2 Scan Tool Check Engine Light CAR Code Reader V1.5 firmware,New version V2.1 bluetooth.CANNOT work with diesel vehicleNew version v2.1.Compliant vehicles and bluetooth diagnostic software. The ELM327 interface will quickly send data to your android mobile phone or windows laptop from your vehicle in real time.Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database). Display current sensor data, including: Engine RPM, Calculated Load Value, Coolant Temperature, Fuel System Status, Vehicle 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. Compatible Phones: Android Smartphones Compatible Apps: Torque .Support OBD-II protocols as follows: ISO15765-4 (CAN), ISO14230-4 (KWP2000), ISO9141-2, J1850 VPW, J1850 PWM.Package Includes: ELM327 Bluetooth Diagnostic Interface x 1, CD Driver x 1. Clear trouble codes and turn off the MIL ("Check Engine" light).Wireless Bluetooth connection to your computer. No More Wires!