• Tool designed to identify and trace cables within a group without damaging the insulation. • Allows judging the continuity of cables or wires. • Ability to follow cables and diagnose break points. • Receives tone signals on cables or telephone lines. • Identifies the status of the working telephone line (free, ringing, or busy). • Sends solid tones or dual alternating tones to the object's cables. • The set includes a transmitter with RJ11 cable, a receiver, and a user manual.