[VOLTAGE AND CHARGING FUNCTIONS] Voltmeter function, and battery level indicator, Cranking System Test, analyzes the state of the cranking system, displays the cranking voltage and cranking time, graphs the waveform of the Cranking System, Charging System Test, analyzes the state of the charging system, displays the ripple, unload and load voltage, graphs the waveform of the ripple test, etc. [PROFESSIONAL CHECKING CAR ENGINE TOOL] Displays definitions on unit screen, views freeze frame data, displays monitor and readiness status (emissions), identifies pending codes, reads live PCM data stream, displays live O2 sensor test data. [WIDE COMPATIBILITY] Compatible with all 1996 and later OBDII compliant US, European, and Asian vehicles, graphs data (1996 and newer) to determine the cause of the Check Engine Light, retrieves generic (PO, P2, P3, and U0) and manufacturer-specific (P1, P3, and U1) codes, turns off Check Engine Light, clears codes and resets monitors. Supports CAN (Controller Area Network) and all other current protocols. [STORING DATA] Reads, stores & playbacks live sensor data and freeze frame data. Performs modules present test, retrieves vehicle information (VIN, CIN, and CVN), OBD-II protocols, built-in OBD-II lookup library, easy-to-read backlit LCD screen. Color: Red & Black Material: ABS Package Contents: 1x OBD2 Scanner Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3cm.