The Triplett CTX590A Wire Locator Kit features a powerful tone generator and probe. The CTX590A functions as a high quality wire locating tool that uses an inductive probe to sense a tone placed on the wires by its associated tone generator. The tone generator provides RJ11, RJ45 and insulated alligator clip connections. The Red/Green LED on the tone generator indicates continuity, voltage, and polarity. The probe also includes sensitivity control. The CTX590A can be used for tracking down short circuits, telephone central office connections, and other wire locating applications. Includes (2) 9V batteries, RJ45, RJ11, Alligator clip connectors and case.