Network Plug and Cable tester with protective storage pouch for RJ11, RJ12, RJ45, Cat 5e, Cat 5, 10/100 Base-T, AT&T 258 A, TIA-568A/568B Networks. The SY-468 is a cable tester for checking & testing LAN network cables. It is a 2-in-1 multi-testing tool capable of testing network & phone cables. It has sockets for testing RJ11, RJ12 & RJ45 modular jack connections & tests for the T568B & T568A wiring schemes. Easy to clarify cable continuity, open & short.Verifying Cable continuity, open, short & cross wire pair.Tests RJ45 cables, RJ11 telephone cables & network cables.Powered by 9V Battery. Not included. See our listing for batteries.9 LED lights to indicated wiring connection on both remote & master unit.Enables cable tests over large distances or in places that are not easily accessible. Package includes: 1x User guide.1x Zip-up protective storage case.1x Network Cable Tester (Master & Remote). Packaging: Bulk. Warranty & Returns:14 Day 'change of mind' return in unused condition for a refund less shipping fees.1 Year return to base refund or replace guarantee. We welcome & answer all questions.