ELM 327 OBD2 USB 327 OBDII Adapter With PIC18F25K80 OBD2 Scanner Auto Diagnostic
OBD2 ELM USB 327 Scanner Auto-Diagnostic Tool: 327 USB ELM reads fault codes for the check engine light, both generic and manufacturer-specific codes, and can reset the check engine light. The output protocol (connection to the laptop) is USB.