HIGH-QUALITY MATERIAL The cable tracker is made of ABS rubber, which has shockproof, antifouling, and antistatic functions, making it more convenient and safer to use. A carrying bag is provided for easy storage or transport. PACK INCLUDES 1x transmitter, 1x receiver, 1x test leads, 1x carrying bag, and 1x manual (battery not included). Note: The cable break detector cannot test underground cables, and the test can only be performed when in contact with the cable jacket. EASY TO USE Send a single audio or dual audio signal to the cable or wires of the object. It should be grounded during use for optimal performance. The cable tracker can trace cables or wires and locate break points. Identify the status of a working telephone line (open, ringing, off-hook). With audible signal feedback, you can quickly trace your cable. DOES NOT DAMAGE THE INSULATING LAYER The cable tracker detects the presence of a cable or wire without damaging the insulation. Verify cable continuity, trace wires, and identify fault locations. EASY TO CARRY The cable tracer is compact and lightweight, making it easy to carry. It is durable and energy-efficient. The multifunctional cable break detector is reusable and long-lasting. Comes with a carrying bag for convenient storage and protection against dust and impact.