KONNWEI KW880 3 in 1 Car OBD2 Fault Diagnosis + Battery Tester + Battery Match Reset 1. KONNWE KW880 Car OBD2 Diagnostic Scanner can work on all 1996 and newer 12V gasoline and diesel which are OBD2 compliant. 2. This product can identify the reason of your CHECK ENGINE and can fix it automatically 3. Easily help you pass the annual emission test and SMOK CHECK, and cover the complete OBD2 and EOBD diagnostic function of the engine system, O2 sensor test, Evap system test and board monitoring test, let you fully control the running status of the vehicle, while the graphics and The digital real-time data streaming display will help you spot false sensor readings. 4. Product size: 20x10x3.5cm 5. Product weight: 780g 6. Support multiple languages: English, French, German, Italian, Spanish, Russian, etc. Functions and Features: 1. Compatible with all OBD II supported vehicles, including gasoline and diesel vehicles - domestic and imported. 2. Features a unique one-touch ready key for quick National Emissions Readiness Check and Drive Cycle Verification. 3. Bright color-coded LED indicators and built-in speaker provide visual and audible tones for readiness verification 4. Retrieve generic (P0, P2, P3 and U0), manufacturer specific (P1, P3 and U1) codes and pending codes 5. Easily determine the cause of Check Engine Light (MIL) 6. Turn off the check engine light (MIL), clear the code and reset the monitor 7. Enhanced OBD2 Mode 6 in-vehicle monitoring test results for the specific monitored system. 8. View freeze frame data 9. Display monitor and IM readiness status (discharge) 10. Read real-time PCM data stream 11. Display real-time O2 sensor test data 12. EVAP system test data 13. Real-time sensor data in text mode and graph mode (1996 and newer vehicles) 14. Read, store and playback real-time sensor data 15. Trouble code prompts to guide technicians to find the root cause of the trouble code faster, saving time for diagnosis and maintenance 16. Real-time monitoring of battery volta