LAN Network Cable Tester & Wire Tracker for RJ45 RJ11 UTP STP Cat5 Cat6

A compact cable tester and wire tracker for diagnosing LAN and telephone wiring. Supports UTP and STP cables including Cat5 and Cat6 with RJ45 and RJ11 connections. Detects open circuits, short circuits, and miswiring, tracks cable runs up to 1000 ft, and includes an earphone for use in noisy environments.