- Tests datacom, telecom, security, video, and audio networks; - Two position switch for single or multi-tone signal; - LEDs for line polarity, continuity and voltage; - Enhanced talk battery mode provides power for voice communications over inactive pairs; - Testing leads and modular cables for individual wire tests or modular jack tests; - Replaceable plastic tip to prevent accidental shorts; - Trace or identify wire or cables in a bundle or group; - Alligator clips, RJ45 jack, RJ12 plug, optional F-connector; - Lifetime warranty.