Features:

1. Measure network cable length and determine the distance of open and short circuit.
2. Check wiring error in 5E, 6E, coaxial cable, such as open circuit,short circuit, jumper wire, reverse connection.
3. Portable unit with long battery life (wait-case 50 hours).
4. Automatically time-delay shut off.
5. Self-checking and automatically compensate any change in battery capacity or ambient temperature.

Attention:

1. Don't connected high voltage lines to avoid buring out the machine.
2. Put into the right place to avoid hurting others,because of the sharp part.
3. Connected the cable to the right port.
4. Read the user manual before use it.

Application pictures