This LAN Network Cable Tester is required for network installation RJ-11, RJ-12, RJ-45, CAT5, CAT5e, 10/100BaseT, TIA-568A/568B, AT&T 258-A.

RJ45 Network Cable Tester tests double-twisted cables 1, 2, 3, 4, 5, 6, 7, 8 and Ground, 9 LED lights to indicate wiring connection on both remote and master unit.

With this Network Cable Tester, you can judge wrong connection, short circuit and open circuit.

Compact and light weight Network Cable Tester, useful for home and outside use.