This automotive cable tracker automotive repair tool is designed to identify and trace wires or cables without damaging the insulation. You can also use it for short circuit check and locate open circuit and so on. Features: Versatile Circuit Tester --- Professional Automative Cable Wire Tracker can be suitable for all types of circuits with voltages ranges between 6 and 42 volts DC. Such as those found in automobiles, trucks, tractors, boats, recreational vehicles, etc. Short and Open Finder --- Locating Open Circuit and Checking for Short Circuit, easy to track wires and diagnose electrical system without damaging the insulution, easily locate short circuit, open connection, broken wire, leak current and even trace wires. Easy Instant Diagnosis---Simply connect the transmitter in series with the circuit or wire under test. Identify the breaking point instantly and with the tone you recall. Saves time, making your repairs faster, makes it easier to find problems. Ergonomic Design---Built-in coiled steel gooseneck receiver probe, adjust flexible, easy to reach narrow space. Handy---Come with a durable bag for all parts storage, compact and transceiver, easy for hand control and carrying lightweight on design. Features : Feed: Two 9V batteries (not included in package) Material Type: Steel Wrapped Category: Electrical Testers & Test Leads Package Size: 20*20*3cm Package weight: 388 bytes Package List: 1 x Automobile Short and Open Finder Sender 1 x Automobile Short and Open Finder Receiver 1 * Carry Bag 1 * English User Manual