<p><a href="https://vi.aliexpress.com/item/1005006850444685.html?spm=a2g0s.12269583.0.0.77bae34aAgalyU&amp;gatewayAdapt=4itemAdapt" target="_self" class=""></a></p><p><span style="background-color:rgb(115, 216, 255);color:rgb(244, 78, 59);font-size:20px;font-family:arial, helvetica, sans-serif"><strong>Description:</strong></span><span style="color:rgb(255, 0, 0);font-size:18px;font-family:arial, helvetica, sans-serif"><span style="background-color:rgb(255, 255, 255);color:rgb(34, 34, 34);font-size:18px;font-family:arial, helvetica, sans-serif"><br/>1. 100% brand new<br/>2. Streamlined design and easy to carry<br/>3. Comes with earphones usable in noisy situation<br/>4. Flexible and versatile interface<br/>5. Sensitive and adjustable volume control<br/>Cable Tester for UTP STP RJ45(manual switch)<br/>Automatic efficient scan for the miss wiring, disorder cable, open and short circuit<br/>TEL BNC test available(Adapter needed)<br/>Remotely test cable up to 1000 ft in length ( remote kit included )<br/>Protective power switch for low power consumption<br/>High quality protecive case provides more secure protection<br/>Judge continuity of the cables or wires<br/>Track the cables or wires, and diagnose the break point<br/>Receiver the tone signal on the cables or wires (telephone line)<br/>Identify the state in the working telephone line (clear ring, busy)<br/>Send a single solid tone or a dual alternating tone to the object cables or wires<br/></span></span></p><p><br/></p><p><span style="background-color:rgb(115, 216, 255);color:rgb(244, 78, 59);font-size:20px;font-family:arial, helvetica, sans-serif"><strong>Specification:</strong></span><span style="color:rgb(255, 0, 0);font-size:18px;font-family:arial, helvetica, sans-serif"><span style="background-color:rgb(255, 255, 255);color:rgb(34, 34, 34);font-size:18px;font-family:arial, helvetica, sans-serif"><br/>Working current: Tester: 10mA Receiver: 30mA<br/>Signal transfe mode: Digital signal<br/>Signal output level: 8Vp-p<br/>Signal transfer distance: 3Km<br/>Dimension:Transmitter: 126x49x34mm Reveiver:175x42x25mm<br/>Power: by 2 x DC 9V Battery( not included)<br/></span></span></p><p><br/></p><p><span style="background-color:rgb(115, 216, 255);color:rgb(244, 78, 59);font-size:20px;font-family:arial, helvetica, sans-serif"><strong>Package Include:</strong></span><span style="color:rgb(255, 0, 0);font-size:18px;font-family:arial, helvetica, sans-serif"><span style="background-color:rgb(255, 255, 255);color:rgb(34, 34, 34);font-size:18px;font-family:arial, helvetica, sans-serif"><br/>1 x Cable Emitter<br/>1 x Cable Receiver<br/>1 x RJ11 Cable<br/>1 x Earphone<br/>1 x Cable with Crocodile Clamp<br/>1 x Instruction Manual</span></span></p><p></p>