C93306 is a Klein Tools instrument cable tester and continuity checker, designed to troubleshoot twisted-pair wire networks. It is capable of testing both single and shielded network cables, such as RJ-45, RJ-11, BNC and F-connectors. This tester reveals a series of LED indicators, which provide information on the cable's condition and indicate whether it is open, shorted, miswired or correctly wired. It also checks for split pairs, reversed pairs and continuity in all nine positions, as well as verifies proper operation of POE (power over Ethernet) cables. With the handy remote unit and alligator clips, this tester can perform testing in hard-to-reach areas or measure the resistance or continuity of circuits or other components.