Telecom Check Telephone Line Dedicated Check Line Survey Line Machine CHINO-E C019 Tester to Alligator Clip Set Equipment
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<b>[Product Information]</b><br>
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<li>It is smart and lightweight,computer lab preferred.</li>
<li>FSK / DTMF dual system Caller ID</li>
<li>Three kinds of external plug head</li>
<li>Take-function,line function</li>
<li>the last group dial number redial function</li>
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<img src='http://ecx.images-amazon.com/images/I/41NzSOrGaTL.jpg'></br>