The Konwei KW818 Scanner supports all nine OBDII test modes on all OBDII compliant vehicles to enable technicians to accurately diagnose even the toughest problems. Sophisticated yet easy to use, this ergonomic scan tool makes vehicle service experience much more pleasant. Features: Read engine fault codes and shows definitions. Read DTCs Clear DTCs Read data stream Turn off MIL and reset monitors View freeze frame data I/M readiness monitor status Display O2 sensor test data Read vehicle information DTC lookup Test data review Internet upgradable Full color 2.8’’ LCD Display with extra long 5.5 ft Cable. Lifetime Free update software.