HIGH-QUALITY MATERIALThe 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 to take with you. PACK INCLUDES1x transmitter, 1x receiver, 1x test leads, 1x carrying bag and 1x manual (without battery). Note: The cable break detector cannot test cables underground, and the test can only be performed when it touches the cable jacket. EASY TO USESend a single audio signal or a dual audio signal to the object's cable or wires. It should be grounded during use to play a better role. The cable tracker can track cables or wires and diagnose the break point. Identify the status in the working telephone line (empty, ringing, off-hook). Thanks to the sound signal, you can quickly track your cable. DOES NOT DAMAGE THE INSULATING LAYERThe cable tracer detects the passage of a cable or wire without damaging the insulation. Check that the cable is continuous. Trace cables or wires and diagnose breakpoints. EASY TO CARRYCable tracker is small and light, easy to carry, durable, low power consumption, small and safe. The multifunctional cable break detector is reusable and durable. Comes with a bag for good storage, to avoid dust and shock