– 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.