Wire Tracker NF-811
Complete with Amplifier probe and Tone generator.
Wire trace (RJ45 & RJ11) and continuity test (RJ45).
Identify telephone line condition & plority.
Built-in speaker with sensitivity control.
A LED light assists use in dark environment.
Power requirements: DC 9-volt battery.
100% Affordable. Manufactured in China and a lot cheaper than competitor products with similar quality.