Features: and high quality The Elm 327 is a multi-functional and all-round high-tech electronic product for vehicles. Through the interface with the vehicle Ecu computer and data synchronization, it can realize the monitoring and understanding of the vehicle's electronic control system. Not only an information display system, but also a very powerful fault detection equipment to understand whether the vehicle is faulty. Elm 327 is the latest scanning tool based on personal computers and mobile phones. It supports all OBD-II protocols and is for many software. Its output protocol to interconnect with computers and mobile phones. OBD-II Software for Elm 327 is a free program that allows you to use your PC and a hardware interface to get the information from your car's computer. 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 the program, simply cancel the entire contents of the folder where the program resides. Specifications: Material: ABS Product Dimension: approx. 4.8cm/ 1.89 inches Net Weight: 22g/ 0.05 lbs Operating Voltage:12V, Internal for Protection from Short Circuits/overvoltages Nominal Idle Current:45MA Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1PC Elm 327 V2.1 Car Diagnostic Scanner