General instrument

. Wire finding function: can be directly on the RJ11, RJ45, on other metal wires can be found through the adapter.

. Seek cable lines, without stripping the line sheath, simple, fast, and can discern the location of the line breakpoints.

. Can be in the router and other weak power equipment in the boot state directly to the line.

. Line level and positive and negative polarity detection.

. Telephone line status detection: can detect the working telephone line status.

. Wire continuity (path) detection.

. Low voltage indication function and illuminated lamp function for the receiver.

.NCV function.