1Can scan the code clearly and quickly, easily figure out the cause of the check engine light ( MIL). 2Support view of freeze frame data, can display monitor and I/M readiness status (emissions) and live O2 sensor test data. 3Support reads, stores & playbacks live sensor data, has memory/battery backup function for offvehicle data review and analysis. 4Retrieves generic (P0, P2, P3, and U0) and manufacturer specific (P1, P3, and U1) codes. 5Support car fault code printing via PC, with oneclick I/M readiness key, TFT color display and builtin speaker, convenient to use. 6KW830 scanner has 10 modes of OBDII test for a complete diagnosis, can detect car battery voltage. 7Large easytoread backlit LCD screen, support for OBDII protocols, builtin OBDII DTC lookup library for quick diagnosing. 8With troubleshooter code tips help technicians to save diagnosis and repair time, allows you to figure out the information quickly. 9Wide application, works on all US, European and Asian vehicles 1996 and later compatible with OBD2 and EOBD standards. 10All 24V trucks, trucks, and electric vehicles cannot be detected, can only detect 12V gasoline vehicles / diesel vehicles / hybrid vehicles. 115 major protocols, CAN, J1850 PWM, J1850 VPW, ISO9141, KWP2000. Support 8 language: English, French, German, Dutch, Spanish, Russian, Portuguese, Italian.