Why choose the KONNWEI KW320 OBD2 Scanner? 1.High Quality and High Resolution TFT colorful display helps you easily to find out the troubles of your car. 2.Bright color coded LEDs 2.8 inch screen and built-in speaker provide both visual and audible tone for readiness verification. 3. Patented appearance design & Key pad, unique patented One-Click I/M Readiness/DTC/VIN Key, it is the best partner for car repairing. 4. Featured 24-hr battery real-time monitoring during diagnostics, keep your car battery in healthy status. 5. Intergrated memory card allows storage of Trouble Codes, Live Data and freeze frame, Playback and review data when away from the vehicles. 6. Bright color coded LEDs indicators and built-in speaker provide both visual and audible tone for readiness verification 7. Universal scanners works on ALL 1996 and newer vehicles (OBDII & CAN) in USA, Most 2003 after EU (EOBD), 2008 after Asia car brand vehicles, suitable both diesel and gasoline 12V cars.