!!!Hot sale  Car -Bus scaner ELm327 :Feature :ELM327 is the latest PC-based scan tool .It supports all OBD-II protocols and is dispatched with a number of compatible programs. The processor is an ELM327 .The output protocol (connection to laptop)is RS232.Processor:Elm327OBD-II Protocols : ISO 15765-4(CAN) ISO 1423(KWP2000) ISO 9141-2 J1850 VPW J1850 PWMOutput protocol :RS232Baud rate :9600 or 38400Indicator LEDs :OBD Tx/Rx,RS232 Tx/Rx,PowerOperating voltage :12V,internal protection from short circuits/overvoltagesNominal idle current :45mAFunction :1.Read diagnostic trouble codes,both generic and manufacturer –specific ,and display their meaning (over 3000 generic codes definition in the database).2.Clear trouble codes and turn off the MIL(“Check Engine “light )3.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 In take Air Temperature Air Flow Rate Aboslute Throttle Position