... circuit tester , led circuit tester , open short circuit tester NS-DX Series Digital Muti-function LCD digital cable the length of ... done by one person2.can detect the cat5, 5 E, 6 E, 7 E, coaxial cable, telephone line fault of the connection, including ... audio reminders13.supporting portable digital audio line found machine (NS-DX-LR), convenient search and testing cable.14.pass the European ...