This tone generator is a highly practical network installation and troubleshooting tool which features a single/multi tone signal, test leads and 4 conductor modular cables. The signal emitted by the tone generator can be easily traced by the companion probe, even when cables are in a bundle or hidden in punch down blocks or wall plates. The generator can also be used for checking telephone line polarity and status ie. Ring/Busy/Idle. The probe is equipped with an insulated inductive pick up and will amplify the tone signal to an audible level. A LED is also included as a visual indicator. The probe has a volume control and either indicator can be switched off if desired.

Features:
- The signal lead is 140mm long and terminated with alligator clips.
- The modular leads are 140mm long and terminated with RJ11 and RJ45 plugs.
- Both units operate from a 9 volt batteries (Sold Separately).
- Earphones included.
- Supplied in a handy protective case.