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