Astrotek RJ45 RJ11 Coaxial Network Ethernet LAN Phone Cable Tester Wire Tracker

Astrotek RJ45 RJ11 Coaxial Network Ethernet LAN Phone Cable Tester Wire Tracker The ASTROTEK Cable Tester for RJ12, RJ11, RJ45, Cat 5e, Cat 5, 10/100 Base-T, AT&T 258 A, TIA-568A/568B .etc, Capable to judge wrong connection, short circuit and open circuit.Test correspondingly double-twisted cables 1, 2, 3, 4, 5, 6, 7, 8 and Ground • easily clarify cable, continuity, open and short • 9 LED lights to indicated wiring connection on both remote and master unit • Grounding Test • Provides flexibility for cable management with a neat and clean appearance • Power: 9V battery ( Not Included )