ELM327 USB Metal Aluminum ELM 327 Metal Case Elm 327 USB V1.5/V1.5a Support All OBD2 OBDII Protocols Auto Car Diagnostic ScannerDescription of ELM 327 USB Metal:1.ELM 327 USB V1.5 Metal code reader is the latest PC-based scan tool. It supports all OBD-II protocols and isdispatched with a number of compatible programs. The processor is an ELM327. The output protocol(connection to laptop) is USB.2.Processor: ELM327.3.OBD-II Software for ELM327 is a free program that allows you to use your PC and a hardware interface to getthe information from your car's computer.4.The program is very user-friendly, and easy to learn. 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. To uninstall theprogram, simply delete the entire contents of the folder where the program resides.5.The software supports two platforms - DOS and Windows.Functions of ELM 327 USB Metal:1.Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000generic code definitions in the database).2.Clear trouble codes and turn off the MIL ("Check Engine" light)3.Display current sensor data, including:Engine RPM;Calculated Load Value;Coolant Temperature;Fuel System Status;Vehicle Speed;Short Term FuelTrim;Long Term Fuel Trim;Intake Manifold Pressure;Timing Advance;Intake Air Temperature;Air FlowRate;Absolute Throttle Position;Oxygen sensor voltages/associated short term fuel trims;Fuel Systemstatus;Fuel Pressure;Many others..