Specifications: Display current sensor data. Following are some of the parameters which could be read from the vehicle. Vehicle Speed RPMFuel ConsumptionEngine Coolant Temp Fuel Pressure Calculated Engine Load Throttle Position Intake Manifold PressureAir Intake Temp Timing Advance Mass Air Flow Fuel Level Barometric Pressure EVAP System Vapor Pressure Fuel Trim Note: Your vehicle may not support all above parameters. How many parameters you can get is depended on the vehicle manufacturer's implementation. What features you can have depended on what software you install on PC. There are a lot of commercial or free software. The features of the software differ from one another. User should choose his own software by his preference. For more details about the software， please consult the software vendors. You can log on the Internet get your commercial/free software. There is a freeware in the CD-ROM comes along with the device. You can use this piece of software to config and test. Weight:36gPackage including: ELM327 Bluetooth mini Wireless OBD2 Interface x 1 Software CD x 1