KONNWEI KW808 Auto OBDII Code Reader 2.8"Large Screen OBD2 Scanner with Full Diagnostic Scan Tool Functions Check Car Engine Light Fault Code Analyzer for All 1996 and Newer Cars with OBD II Protocol

cover many OBD2 diagnostic functions: read and erase fault codes, view I/M readiness, data stream and freeze frame data, retrieve auto vehicle information, O2 Sensor test to accurately locate bad O2 sensor, On-board Monitoring, etc.'