The Snap-On EESC337W is a professional-grade electrical diagnostic and scope testing tool used in automotive electrical and electronic system troubleshooting. Snap-On’s tools are the industry standard in professional automotive shops. Capable of diagnosing complex electrical circuits, sensor outputs, and electronic control unit communications, it’s a serious tool for technicians working on modern vehicles with extensive electronics. Item is in working condition with very good to excellent appearance. All accessories included in original Snap-On carrying case. Ready for shop use — see photos for screen and case detail.