Tenma 72-8500 Amplifier Probe LAN Tester and Probe Set

This tone & probe set is a basic necessity for anyone running data, voice or anyother low voltage cable. It is also suitable for tracing alarm, coax or speakercables that are already installed.Quickly trace and identify cablesProvides live telephone line status checkSelectable continuous or variable tone generationBuilt-in speaker on the probe with sensitivity controlHeadphone jack12-month limited warranty (view Terms and Conditions for details)Features:- Insulated inductive probe tip prevents shorting conductors- Tests include wire trace, continuity test, clear/busy/ringing line testand tip/ring identification- Alligator clips for non-terminated cables and modular connectors for directconnections to telephone and internet wiring- Selectable continuous or variable tone generation- Built-in speaker on the probe with sensitivity control- Cable/wire tracing- Identifying telephone cable tip & ring by using alligator clips / RJ11connectors- Identifying telephone cable line condition