VOLTMETER TESTAT500 OBD2 Code Scanner Built-in Voltmeter , battery level indicator,Crangking System Test , display the cranking voltage,and cranking time,Graphs the waveform of the Cranking System. Charging System Test, iKiKin AT500 Code Reader analyze the state of the charging system, display the ripple.unloaded and loaded voltage,Graphs the waveform of the ripple test etc. LIVE DATA STREAMSAT500 OBDII scanner tool can reads Live data and displayed via graphs like you can see if the vehicle is running rich or lean with a fuel trim running lean. OBDII COMPATIBILITYWorks on US OBDII Cars Since 1996, European and Asian vehicles,Graphs data (1996 and newer) Easily determines the cause of the Check Engine Light(MIL) Retrieves generic (PO, P2, P3,and U0) and manufacturer specific (P1, P3, and U1) codes Turns off Check Engine Light(MIL), clears codes and resets monitors.Supports CAN (Controller Area Network) and all other current. HISTORY REVIEWEDAT500 Code OBD2 Reader can