This automotive cable tracker car repair tool is designed to identify and trace wires or cables without damaging the insulation. You can also use it in checking for short circuit and locating open circuit and so on. Features: Versatile Circuit Tester --- Professional Automative Cable Wire Tracker can suit for all kinds of circuits with voltages between 6 and 42 volt DC. Such as those found in automobiles,trucks,tractors,boats,RVs,etc. Short and Open Finder --- Locating Open circuit and Checking Short Circuit, easy to track wires and diagnostic electrical system without damage the insulution, easily locate short circuits, open connections, broken wires, current leaks and even trace wires. Easy Instant Diagnostic --- Simply connect the transmitter in series with the circuit or wire under test. Identify the break point instantly and with tone remind you. Time saver, making your repairs quicker, makes things easier to find troubles. Ergonomic Design --- Built-in coiled steel goose neck reciever probe, flexible adjust, easy to reach narrow space. Handy --- Come with a durable bag for storage all parts, compact reciever and sender, easy for one hand control, and lightweight carry on design. Specifications: Power: Two 9V batteries (Not Included In Package) Material Type: Coiled steel Item Type: Electrical Testers & Test Leads Package Size: 20*20*3cm Package Weight: 388g Package List: 1 x Automotive Short and Open Finder Sender 1 x Automotive Short and Open Finder Receiver 1*Carrying bag 1*English User Manual