OTC 3108 PocketScan Code Reader PocketScan code reader is an advanced DTC diagnostic tool Automatically reads DTC feets when connected for fast diagnostics Provides Freeze Frame VIN info and performs the important task of (I/M) inspection and Maintenance-readiness testing by displaying the I/M readiness monitor status Small size makes it perfect for tow trucks or service vehicles as well as home use OBD II cable (attached) and operational manual is included