Aihome 5E SC8108 Multifunction Network LAN Cable Tester Meter Cat5 Phone RJ45 RJ11 BNC Efficient, effective, reliable, easy and safe to use. A person is enough to complete cable continuity check and cable sequence, the easy way Indicates pair integrity of the cable Measure length and pair with or without far-end recognizer Measure cable length and determine the distance of open circuit and short circuit