Features: • With new ergonomics design and portable handle • Easy to test exactly pin configuration of RJ45, RJ11, USB and BNC Cable • Identify exactly all kinds of trouble continuously, such as incorrect connection, open, short, crossover and grounding test • Display testing result by LED layer by layer • Test cables installed from a distance either on wall plate or patch panel • With locking function under the state of low battery • Maximum cable length: 600 ft ± 180mtr