One good investment!!! Product is open box as I have used it once. It's in pristine shape and contains everything pictured. The Power Probe Intelligent Short & Open Circuit Finder PPECT30000 ECT3000 is a specialized diagnostic tool designed for automotive use. This circuit finder helps pinpoint short and open circuits quickly and efficiently, making it a valuable addition to any mechanic's toolbox. With a focus on accuracy and reliability, this product from Power Probe is a trusted tool for professionals in the automotive industry.