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Features:1. Display current sensor data， including: Engine RPM， Calculated Load Value， Coolant Temperature， Fuel System Status， Vehicle Speed， Short Term Fuel Trim， Long Term Fuel Trim2. Display current sensor data， including: 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 etc.Clear trouble codes and turn off the MIL ("Check Engine" light)Operation system supports: Android Smartphones， Symbian， Microsoft (mobile phone， tablet)， most computer system(except Apple system)， and all these device must have Bluetooth function.Vehicle Coverage: Works on all OBD2 Vehicles.OBD-II Protocols:SAE J1850 PWMSAE J1850 VPW (10.4 Kbaud)ISO 9141-2 (5 baud init， 10.4 Kbaud)ISO14230-4 KWP (5 baud init， 10.4 Kbaud)ISO14230-4 KWP (fast init， 10.4 Kbaud)ISO15765-4 CAN (11bit ID， 500 Kbaud)ISO15765-4 CAN (29bit ID， 500 Kbaud)ISO15765-4 CAN (11bit ID， 250 Kbaud)ISO15765-4 CAN (29bit ID， 250 Kbaud)SAE J1850 PWMSAE J1850 VPWISO 9141-2ISO14230-4 KWPISO14230-4 KWPISO15765-4 CANISO15765-4 CANISO15765-4 CANISO15765-4 CANSpecifications:Processor: ELM327 V2.1Dimensions: about 4.7 * 2.5 * 3.1cmNet weight:31gPackage weight:41gColor:bluePackage includes:1 x ELM327 Bluetooth OBD2 Scanner Tool