Tekit Multipurpose Network Ethernet LAN Phone Cable Tester Scanner RJ45 RJ11 Cat-5 NF-308 NF-308 LCD Display Telephone Network Ethernet LAN Phone Tester Multipurpose Cable Wire Tracker Length Scanner RJ45 11 NF-308 is composed of tester, receiver and remote identifier. It is provided with fluent appearance, excellent hand feel and considerate human-centered design. It owns three great functions of hunting, wire sorting and circuit status testing and the features of quickness and accuracy, thus, it becomes available tool for technicians in installation and maintenance of weak current system, such as, communication line, comprehensive wiring circuit, etc. It is widely applicable to telephone system, computer network, other metal wire circuit and other fields. One person enough to complete cable continuity check. Check wiring error in 5E, 6E, telephone line, coaxial cable, USB cable such as open circuit, short circuit, jumper wire, reverse connection or cross-talk interference. Simple and easy use. Big screen to display test result clear.