Feature: 1. OBD II Software: A free program for ELM327 that assists you to use your PC and a hardware interface to get the information from your car computer. 2. User‑Friendly Program: The program is easy to learn and install, just extract the files into a folder on your computer hard drive, and ready to go. 3. Program Uninstall: Simply delete the entire contents of the folder where the program resides to uninstall the program, fast and convenient. 4. Platforms Support: The OBD II software supports two platforms, that is for DOS and for Windows, 2 simple options bring you endless convenience. 5. High Performance: The ELM327 diagnostic tool is with short circuits and overvoltages protection, supports ISO15765‑4 (CAN), ISO14230‑4 (KWP2000), ISO9141‑2, J1850 VPW, J1850 PWM OBD‑II Protocols. Specification: Item Type: ELM327 Diagnostic Tool Material: ABS Processor: ELM327 OBD-II Protocols: ISO15765-4 (CAN) ISO14230-4 (KWP2000) ISO9141-2 J1850 VPW J1850 PWM Output Protocol: RS232 Baud Rate: 9600 or 38400 Indicator LEDs: OBD Tx/Rx, RS232 Tx/Rx, Power Operating Voltage: 12V, internal protection from short circuits, overvoltages Nominal Idle Current: 45 mA. Package List: 1 x ELM327 Diagnostic Tool1 x CD