allsun Cable Tracker Wire Circuit Tester Telephone Line Detector Portable Cabling Tool
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<b>[Product Information]</b><br>
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<li>Judge continuity of the cables or wires.</li>
<li>Track the cables or wires,and diagnose the break point.</li>
<li>Receive the tone signal on the cables or wires(telephone line).</li>
<li>Idengtify the state in the working telephone line (clear,ring,busy).</li>
<li>Send a single solid tone or dual alternating tone to the object cables or wires.</li>
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