- Features:<br />- ELM327 USB is the latest PC-based scan tool.<br />- It supports all OBD-II protocols and is dispatched with a number of compatible programs.<br />- The processor is an ELM327 USB.<br />- The output protocol (connection to laptop) is USB.<br />- Processor: ELM327 USB<br />- OBD-II Protocols:<br />- ISO15765-4 (CAN)<br />- ISO14230-4 (KWP2000)<br />- ISO9141-2<br />- J1850 VPW<br />- J1850 PWM<br />- Output protocol: RS232<br />- Baud rate: 9600 or 38400<br />- Indicator LEDs: OBD Tx/Rx、 RS232 Tx/Rx、 Power<br />- Operating voltage: 12V、 internal protection from short circuits/overvoltages<br />- Nominal idle current: 45 mA<br />- Description:<br />- OBD-II Software for ELM327 USB is a free program that allows you to use your PC and a hardware interface to get the information from your car's computer.<br />- The program is very user-friendly、 and easy to learn.<br />- It is also very easy to install: simply extract the files into a folder on your computer's hard drive、 and you're ready to go.<br />- To uninstall the program、 simply delete the entire contents of the folder where the program resides.<br />- The software supports two platforms - DOS and Windows.<br />- The program lets you perform the following operations:<br />- Read diagnostic trouble codes、 both generic and manufacturer-specific、 and display their meaning (over 3000 generic code definitions in the database).<br />- Clear trouble codes and turn off the MIL ("Check Engine" light)<br />- Display current sensor data、 including:<br />- Engine RPM<br />- Calculated Load Value<br />- Coolant Temperature<br />- Fuel System Status<br />- Vehicle Speed<br />- Short Term Fuel Trim<br />- Long Term Fuel Trim<br />- Intake Manifold Pressure<br />- Timing Advance<br />- Intake Air Temperature<br />- Air Flow Rate<br />- Absolute Throttle Position<br />- Oxygen sensor voltages/associated short term fuel trims<br />- Fuel System status<br />- Fuel Pressure<br />- Many others<br />- Upcoming Features:<br />- Data graphing and logging<br />- Freeze Frame data<br />- Continuous and Non-Continuous Oxygen Sensor test results<br />- Free software: Scantool.net<br />- GM Mode 22 Scan Tool by Terry<br />- OBD Gauge for PalmOS and Pocket PC by Dana Peters<br />- OBD Logger by Jonathan Senkerik<br />- OBD-II ScanMaster by Wladimir Gurskij (ScanMaster 3.52 - local copy)<br />- obd2crazy.com<br />- OBD2 Scantool by Ivan Andrewjeski<br />- OBDII for ELM322 by David Huffman<br />- pyOBD by Donour Sizemore for MacOSX and Linux<br />- RDDTC by Pete Calinski<br />- Real Scan by Brent Harris<br />- ScanTest for Pocket PC by Ivan Ganev aka a-ser<br />- wOBD by WDT<br />                                                                                                                                Dimensions: 2.91 in x 2.8 in x 0.98 in<br />Weight: 12.17 oz