KONNWEI KW310 Function and Features : 1.Works on ALL OBD II Enabled vehicles, both Gasoline and Diesel cars - domestic and imported. 2.Features the unique patented One-Click Readiness Key for quick State Emissions readiness check and drive cycle verification. 3.built-in speaker provide both visual and audible tone for readiness verification 4.Retrieves generic (P0, P2, P3 and U0), manufacturer specific (P1, P3 and U1) codes and pending codes 5.Easily determines the cause of the Check Engine Light(MIL) 6.Turns off Check Engine Light (MIL), clears codes and resets monitors 7.Views freeze frame dataThe 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. 8.Displays monitor and I/M readiness status (emissions) 9.Reads live PCM datastream 10.Displays live O2 sensor test data 11.EVAP System test data 12.Live sensor data in text mode and graph mode (1996 and newer vehicles) 13.Reads, stores and playbacks live sensor data 14.Troubleshooter code tips guide technicians to the root cause of a trouble code faster, saving diagnosis and repair time 15.Battery Voltage real time monitoring,better than other expensive item from others brand. 16.Built-in DTC look-up library and display definition. 17.Retrieves vehicle information (VIN, CIN and CVN) Product (cm) : 11.6 * 2.4 * 8 Packing size (cm):15*8*5 Net weight (KGS):0.161 Packing net weight (Kg):0.195 Packing number :100pcs/ box Size of outer case (cm): 52*42*32CM