The Ebtech CT 6-in-1 Cable Tester is the professional's choice for multifunction cable testers. It displays the exact wiring of any cable or adapter and even allows testing of cables installed inside building walls. Intermittent detection allows you to wiggle a cable like crazy and know if an intermittent connection exists at any time. The LED's will show which wire has problem and what type of problem it is. </p><p>With the added functions of test tone generation (Switchable 1KHz or 440Hz at -4dBu, -10dBV & Mic Levels), phantom power detect and grounded XLR shield detect, it is the perfect utility for every studio or field application. Runs on two AA batteries (not included) and has one year warranty.</p><p><strong>Included Connectors: XLR, 1/4" (TS or TRS), RCA, 1/8" (TS or TRS), TT & MIDI</strong></p>