BSIDE FWT81 RJ11 / RJ45 Telephone Cable Tracker Toner Ethernet LAN Network Cable Tester

1. Cable tracking: you can quickly find the necessary line pairs among numerous. It is adaptable to RJ45 terminal of network cable RJ11 terminal of telephone line. You can test other metal cables by using an adapter.
2. Network cable interleaving: test the physical connection status of network cable such as open circuit, short connection, miswire and reverse connection.
3. Positive and negative polarity line level test: Use the transmitter only to test the positive and negative polarity line level.
4. Telephone line test status: Use the transmitter only to test the status of working telephone lines.
5. Continuity check: This instrument can check the continuity of a circuit.
6. Low battery indication.
7. Battery: 9V 6F22 battery (not included).