LAN tester for network installation and maintenance

Cable Tester for RJ-11, RJ-12, RJ-45, CAT5, CAT5e, 10/100BaseT, TIA-568A/568B, AT&T 258-A

9 LED lights to indicated wiring connection on both remote and master unit Test correspondingly double-twisted cables 1, 2, 3, 4, 5, 6, 7, 8 and Ground

Capable to judge wrong connection, short circuit and open circuit

Auto scanning function for rapidly testing

Detachable remote tester, test remote cable up to 1000ft. in length

Powered by a 9V battery (not included)