Keyitom Mini ELM327 V1.5 OBDII OBD2 Bluetooth Car Diagnostic Scanner Auto Scan Tool Fast Ship(FBA):Fulfilled by Amazon with two-day shipping (ship from USA) Clear trouble codes and turn off the MIL ("Check Engine" light) Please notice this one can only used on windows xp computer, can not used on windows 7 computer. Newly developed bluetooth ELM327,support all OBD-II protocols as follows: ISO15765-4 (CAN);ISO14230-4 (KWP2000);ISO9141-2;J1850 VPW;J1850 PWM Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database).