The Goldtool Tone Generator & Amplifier Probe‎(‎Buzzer Tone‎)‎is designed to identify and trace wires or cables within a group without damaging the insulation‎.‎ Works with any tone generator to identify wires‎.‎ This heavy‎-duty kit with audible tone easily identifies wires or cables‎.‎ The insulated inductive probe tip prevents shorting conductors‎.‎ Tests include a wire trace‎,‎ continuity test‎,‎ clear/busy/ringing line test‎,‎ and tip/ring identification‎.‎ This product features alligator clips for non‎-terminated cables‎,‎ and modular connectors for direct connections to telephone and internet wiring‎.‎ It also has selectable continuous or variable tone generation‎,‎ as well as a built‎-in speaker on probe Volume control for increased sensitivity and adjustable to suit work environment‎.‎