MFL. 15-Plug Audio Cable Tester Line Finder Black 15-in-1 Cables Checker 10-Way Switch Wire Tracker with LED Indicators, Rectangular

LED Indicator: It helps confirm each conductor’s connection and enables you to repair or replace while something goes wrong or broken in the connection.
Quick Testing: It boasts an all-in-one solution to help identify cable continuity issues, can support 13 cables at the same time.
Rugged and Durable: The 15-in-1 cable tester is built in a strong, compact metal casing, it is a great long-term item to help keep your audio setup running smoothly.
10-Way Switch: This cable tester which is powered by a battery((not included) equipped with a 10-way switch for selecting connections to be tested.
Test With the Best: The cable checker accepts every type of cable you might use in a recording or live performance situation, helpful and functional.