KW850 Function and Features: 1. Works on ALL OBD II Enabled vehicles, both Gasoline and Diesel cars – domestic and imported. 2. Features the unique patented One-Click Readiness Key for quick State Emissions readiness check and drive cycle verification. 3. Bright colour coded LEDs indicators and built-in speaker provide both visual and audible tone for readiness verification 4. Retrieves generic (P0, P2, P3 and U0), manufacturer specific (P1, P3 and U1) codes and pending codes 5. Easily determines the cause of the Check Engine Light (MIL) 6. Turns off Check Engine Light (MIL), clears codes and resets monitors 7. Enhanced OBD2 Mode 6 On Board Monitoring Test Results for Specific Monitored Systems. 8. Views freeze frame data 9. Displays monitor and I/M readiness status (emissions) 10. Reads live PCM data stream 11. Displays live O2 sensor test data 12. EVAP System test data 13. Live sensor data in text mode and graph mode (1996 and newer vehicles) 14. Reads, stores and playbacks live sensor data 15. Troubleshoot code tips guide technicians to the root cause of a trouble code faster, saving diagnosis and repair time 16. Battery Voltage real time monitoring 17. Built-in DTC look-up library and display definition. 16. Retrieves vehicle information (VIN, CIN and CVN) 17. Internet update 18. Prints data via PC.Included:1 KONNWEI KW850 ODBII Auto scanner 1 User's Manual in English1 OBDII Cable1 USB Cable1 Protective nylon bag