1. Low price, best quality; High accuracy
2. Judge continuity of the cables or wires
3. Without damaging the insulation

REMOTE NETWORK CABLE TESTER FEATURES
The cable tracker is designed to identify and trace wires or cables within a group without damaging the insulation. For telephone line, it can identify some state in the line, and more convenience to install, debug, maintain telephone line. There is a Sender (YH21-T) and a Receiver (YH21-R) included in the cable tracker.

1. Judge continuity of the cables or wires
2. Track the cables or wires, and diagnose the break point
3. Receiver the tone signal on the cables or wires (telephone line)
4. Identify the state in the working telephone line (clear ring, busy)
5. Send a single solid tone or a dual alternating tone to the object cables or wires

Thank you for your time. I'm sure your time will pay off.
As a company with a history of 15 years in designing and manufacturing this Best Socket Testers, we are confident about our products. And we assure you our prime quality.
With enough products in stock, we can send products very fast. So if you are interested in our products, do please do not hesitate to contact me by messager center, online service or telephone calls.