Description Fast and accurate network cable organization This cable can identify and track a group of wires or cables without stripping the insulation. Please note: It is not applicable to underground wires, wall wires, buried wires, car cables, etc. Do not use on live circuits. Batteries are not included. Flexible sound generator wire tracer This wire tracer can send single pure tones or double alternating tones to the target cable or wire. The wire toner cartridge receiver is equipped with a volume control dial, allowing you to adjust the volume your working environment. Please note: It may not be suitable for a noisy working environment. It doesn't have a headphone function and the sound it receives is a bit weak. Line condition tester It can be used as a continuity tester to test the continuity of cables or wires. It can also be used as a telephone line tester to determine the TIP and RING lines and identify the status of the working telephone line (clear, loud, busy). Tone tracking probe kit This signal generator kit can track the cable with an RJ11 or alligator clip tracking metal wire. You can use the test lead set to quickly find the required cables in the cable bundle. It is applicable to wires, fixed-line telephones, coaxial cables, etc. The packaging includes: 1*Short circuit finder