Car diagnostic tool for engine check with OBD2 scanner1、Can scan the code clearly and quickly, easily figure out the cause of the check engine light ( MIL). 2、Support view of freeze frame data, can display monitor and I/M readiness status (emissions) and live O2 sensor test data. 3、Support reads, stores & playbacks live sensor data, has memory/battery backup function for off‑vehicle data review and analysis. 4、Retrieves generic (P0, P2, P3, and U0) and manufacturer specific (P1, P3, and U1) codes. 5、Support car fault code printing via PC, with one‑click I/M readiness key, TFT color display and built‑in speaker, convenient to use. 6、KW830 scanner has 10 modes of OBDII test for a complete diagnosis, can detect car battery voltage. 7、Large easy‑to‑read backlit LCD screen, support for OBD‑II protocols, built‑in OBD‑II DTC lookup library for quick diagnosing. 8、With troubleshooter code tips help technicians to save diagnosis and repair time, allows you to figure out the information quickly. 9、Wide application, works on all US, European and Asian vehicles 1996 and later compatible with OBD2 and EOBD standards. 10、All 24V trucks, trucks, and electric vehicles cannot be detected, can only detect 12V gasoline vehicles / diesel vehicles / hybrid vehicles. 11、5 major protocols, CAN, J1850 PWM, J1850 VPW, ISO9141, KWP2000. Support 8 language: English, French, German, Dutch, Spanish, Russian, Portuguese, Italian.