Auto code reader for all cars - KW818 KW820 OBDII scanner tool1、KONNWEI KW818 New Version auto tester is a professional diagnostic scan tool for vehicle owners, it has almost full OBDII functions, including Read codes,Erase codes,I/M readiness, Data stream,Freeze Frame,O2 Sensor Test,On-Board Monitoring,Evap System,Vehicle information,Battery Voltage Test. 2、Works with most vehicles sold in the USA since 1996; supports all OBDII protocols. Works with English,Frech,Dutch,German,Spanish,Russian,Portuguese. 3、Gets power directly from your vehicle\u0027s OBDII datalink connector to quickly scan and erase engine trouble codes, allowing you to decide if you can fix it or need more advanced help. 4、This diagnostic scanner has a large 2.8\" LCD color screen, no need to install any APP, you can read the codes on the screen. 5、Anti-vibration and anti-slip design with unique dustproof surface gives you a more comfortable feel, more durable and more powerful; audio feedback and 3 LED indicators tell you the fault code status, allowing you to diagnose your vehicle faster and operate more easily.