- Quickly trace and identify cables among lots of unknown cables.
- Check continuity of Lan cables.
- Track the cables or wires, and diagnose the breakage.
- Endurable and prevent of burnout.
- Visible indication: pin-to-pin cable map for individual cable (not by pairs).
- Low Voltage alarm function.
- Earphone permits use in noisy environments.
- LED light assists use in dark corners.