Raypley ELM327 OBDII Car Auto Diagnostic Scanner Adapter Reader, WIFI Wireless ELM327 Diagnostic Scanner for iPhone4S/5/iPad4/iPad mini/PC in XP System, with Micro Disk Works with all cars & trucks that are OBDII compliant WIFI interface supports all OBDII Protocols Read diagnostic trouble codes, both generic and manufacturer-specific, display their meanings Latest version of ELM327, with USB driver installation program & diagnostic software in Micro Disk Stable and reliable performance, no vehicle limits and with no restrictions on use