1. Cable network tester with voice, can Test RJ45 and RJ11 network cables
2. Test correspondingly double-twisted cables 1, 2, 3, 4, 5, 6, 7, 8 and Ground
3. Test RJ45 and RJ11 network cables
4. Test correspondingly double-twisted cables 1, 2, 3, 4, 5, 6, 7, 8 and Ground
5. Can judge wrong connection, short circuit adm open circuit
6. Put cables into both main tester and remote tester. The lights of the main tester will turn on sequently from 1 to G.
7. Detachable remote tester, test remote cable up to 1000ft. In length.
8. Power supply: DC 9V battery