•Work on ALL OBD II enabled vehicles, both Gasoline and Diesel cars-domestic and imported •Feature the unique patented One-Click Readiness Key for quick State Emissions readiness check and drive cycle verification •Built-in speaker provide both visual and audible tone for readiness verification •Retrieve generic (P0, P2, P3 and U0), manufacturer specific (P1, P3 and U1) codes and pending codes •Easily determines the cause of the Check Engine Light(MIL) •Turn off Check Engine Light (MIL), clears codes and resets monitors •View freeze frame data. The KONNWEI KW309 OBD2 / EOBD / CAN Car Diagnostic Scanner supports all 10 OBDII test modes on all OBDII compliant vehicles for a complete diagnosis, the KONNWEI KW309 is truly the ultimate in power and affordability, allowing users to do their jobs faster •Display monitor and I/M readiness status (emissions), read live PCM datastream •Display live O2 sensor test data, EVAP System test data •Live sensor data in text mode and graph mode (1996 and newer vehicles) •Read, store and playback live sensor data, built-in DTC look-up library and display definition •Troubleshooter code tips guide technicians to the root cause of a trouble code faster, saving diagnosis and repair time •Battery Voltage real time monitoring, better than other expensive item from others brand Specification: •Size: 11.6 * 2.4 * 8cm •Net weight: 0.161kgs Package included: •1 x KONNWEI KW309 Car Trouble Scanner •1 x English and Chinese Manual