Steps for usage: Insert the product directly into the car OBD interface and connect to the mobile app: TORQUE; There is a CD inside the package. There is an app to download in the CD: TORQUE; Top 5 Reasons to Get V21 Mini Bluetooth OBD : 1This is a vehicle diagnostic interface scanner, which is is used to read trouble codes, clear trouble codes and detect fuel pressure and so on.2OBDII Software for is a free program that allows you to use your PC and a hardware interface to get the information from your car's computer. 3The 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 to go. 4. To uninstall the program, simply delete the entire contents of the folder where the program resides.5The software supports four platforms - For DOS/Windows/. This product is a non-, generic product. Notice: This device can't work with IOS system. Mini Bluetooth is the newly developed wireless scan . It supports all OBD-II protocols: Works with all OBD-II compliant vehicles; Wireless (Bluetooth); Software included for Palm, PDA; Software included for Windows PC; Software included for Windows Smartphone; Supports ISO 9141, KWP2000Supports SAE J1850;Supports CAN bus; V21 Mini Bluetooth OBD Car Diagnostic Scanner; Specification:Support OBD-II protocols as follows: * ISO15765-4 (CAN) * ISO14230-4 (KWP2000) * ISO9141-2 * J1850 VPW * J1850 PWM; SAE J1850 PWM (416 kbaud); SAE J1850 VPW (104 kbaud); ISO 9141-2 (5 baud init, 104 kbaud); ISO 14230-4 KWP (5 baud init, 104 kbaud); ISO 14230-4 KWP (fast init, 104 kbaud); ISO 15765-4 CAN (11 bit ID, 500 kbaud)ISO 15765-4 CAN (29 bit ID, 500 kbaud); ISO 15765-4 CAN (11 bit ID, 250 kbaud); ISO 15765-4 CAN (29 bit ID, 250 kbaud); Device type: Car bluetoo read interface scanner; Interface type: Auto V15 interface; V21 Mini Bluetooth OBD Car Diagnostic Scanner FreeSoftware:1. Scantoolnet2. Mode 22 Scan by 3. OBD Gauge for PalmOS and Pocket PC by 4. OBD Logger by Jonathan Senkerik5. OBD-II ScanMaster by Wladimir Gurskij (ScanMaster 352 - local copy)6. obd2crazycom7. OBD2 by Ivan Andrewjeski8. OBDII for ELM322 by David Huffman9. pyOBD by Donour Sizemore for MacOSX and Linux10. RDDTC by Pete Calinski11. Real Scan by Brent 12. ScanTest for Pocket PC by Ivan Ganev aka a-ser13. OBD by WDTV21 Mini Bluetooth OBD Car Diagnostic Scanner Functions:Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database).Clear trouble codes and turn off the MIL ("Check Engine" light)Display current sensor data, including:Engine RPMCalculated Load ValueCoolant TemperatureFuel System StatusVehicle SpeedShort Term Fuel TrimLong Term Fuel TrimIntake Manifold PressureTiming AdvanceIntake Temperature Flow RateAbsolute Throttle PositionOxygen sensor voltages/associated short term fuel trimsFuel System statusFuel PressureMany othersColour: BlackMaterial: PC + metalPackage Including:1pc * 327 OBD Mini Bluetooth V211pc * CD DriveOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.