Cruiser Nf-8108-m Multifunction Network LAN Phone Cable Tester Meter Cat5 Rj45 Mapper 8 Pc Far End Test This tool set is ideal for technicians in installation and maintenance of communication and wiring circuit systems. It is widely applicable to telephone systems and computer networks. With this set, you can save cost and time for cable installation works and one person is enough to complete the cable continuity check 5E, 6E, STP/UTP network cable, coaxial cable and telephone line Cable hunting and sorting Easy and quick cable continuity check Testing for open circuit, short circuit, jumper wire, reverse connection or cross-talk interference Checking and locating wiring and connection errors