Type A New Version ELM327 OBDII OBD2 Bluetooth Car Diagnostic Interface Scanner2 Packs) Supports these OBD-II agreements:ISO15765-4 (CAN) ISO14230-4 (KWP2000) ISO9141-2 J1850 VPW J1850 PWM Small & Multifunctional, not occupy space and great for placing in the car Userfriendly and convenient, you could know the conditions of your car anytime