Features:<br> *High-Quality Material: This product is made of high-quality material, which is wear-resistant and durable, not easy to break, and can be used for a long time.<br> *Multi-functional design: This cable tracking tester can determine whether the cable line is continuous, track the cable line, and identify the locations of the line break, etc.<br> *Dual-port test: Quickly detect the crimping condition of the crystals head. It can also be used as a LAN-tester, or it can receive the audios signal in the cable line (telephones line) to determine the status of the working telephones line (idle, ringing, off-hook) )wait.<br> *Easy to carry: This cable tracking tester is equipped with a storage bag, small and lightweight, easy to carry.<br> *Battery powered: The cable tracking tester is powered by 2 9V batteries (not included), with long standby time, low energy consumption, and can be used for a long time.<br> Notice:<br> 1.Actual color may be slightly different from the image due to different light effect<br> 2.Please allow 1-3cm deviation due to manual measurement<br> <br> Material: ABS<br> Size: As Shown<br> Audios signal: 1.5kHZ<br> Receiving frequency range: 100HZ-300kHZ<br> Size: receiving end 238*43*26mm, transmitting end 145*35*25mm<br> Batteries: 2 9V batteries (not included)<br> Connector: RJ-11 (for telephones cable socket)<br> Package List:<br> 1 set x Cable Tracking Device