The product is the Mac Tools ET115X, a 12/24 Volt Hook Tip Circuit Tester. This electrical testing tool is designed for use in automotive diagnostic service to check circuits and electrical systems in vehicles. The hook tip allows for easy connection to wires and terminals for quick and accurate testing of 12 and 24-volt systems. As a product from Mac Tools, known for their high-quality automotive tools, the ET115X is a reliable and essential tool for technicians and automotive enthusiasts alike. Some are new in plastic wrap some are open box still brand new