This is the FEDERAL Electro-Probe MODEL 230P-55, a product made in the United States and used by the United States Navy. It is a unit type item and comes from the category of Test Meters & Detectors, specifically Other Test Meters & Detectors, as well as Test, Measurement & Inspection, and Business & Industrial. The brand of this item is Federal, and it has been designed with great attention to detail to meet the requirements of the Navy. I PURPOSELY DID NOT CLEAN THIS UP. SO MANY INFORMATIONAL LABELS. CHECK PHOTOS CAREFULLY AS DESCRIPTION MAY BE AI GENERATED. Please remember that we are all human. We will do our best to describe each item to the best of our ability.