From XLR Mic cables, to BNC video line, to CAT5, to SPEAKON, the Sescom CT1 tests 'em all and then some! This compact and low cost cable tester is feature rich and an invaluable problem-solving tool for the live sound professional, studio recording engineer or systems integrator. The unit handles any combination of XLR, Phone, Phono, and speakON connectors, as well as DIN, Ethernet, and even multiple TRS cable sizes. The Sescom CT1 can test each contact on your cables via its selector knob with illuminated LEDs providing affirmation on continuity and ground status. The tester includes test leads for testing continuity on other cable types and it runs on an included 9 volt battery. Its heavy duty metal construction is designed to last for years of reliable cable diagnoses.