• Permits technicians to identify the conductor within a bundle, at a cross-connect point or at the remote end. Can be used on twisted pair wiring (telecom, datacom, etc.), single conductors, coaxial cables, de-energized AC wiring and most other wiring.

Spec:
Selectable Warble Tone Continuity Testing Polarity Testing Talk Battery Supply Two-line Modular Test Lead (RJ-11) Three-color LED (identifies AC ring voltage) Weather-resistant Design Battery Operated (9V not included)