LM323 Diagnostic Cable(With MCU) Features: -Heavy & robust casing for rough service use - Connects to PC via RS232 - Working for ISO9141/KWP2000 protocol over ELM323 Interpreter MCU - Cable is based on certified ISO9141 Bus Transceivers and RS232 level shifters - Bi-colour LED for each K-line which shows the current logic status - Powered from car battery over OBD2 connector Functions: Software for ELM32X-based interfaces