KONNWEI KW818 OBDII/EOBD Scanner supports all 10 modes of OBDII test for a complete diagnosis. Featuring the unique patented One-Click I/M Readiness Key, TFT black white display and built-in speaker, the KW818 is truly the ultimate in power and affordability, allowing users to do their jobs faster. In addition, thousands of troubleshooter code tips help technicians to save diagnosis and repair time.