Check the listing for details. Wire Tester RJ45 RJ11 Cable Tracker Line Finder Multifunction Wire Tracker. Condition: New. Listed at 16.99 USD. Wire Network Cable TracerIn SCAN mode, this tracker accurately locates wires among tangled lines and diagnoses breakpoints without stripping the sheath. It traces RJ11, RJ45, BNC terminals, or other metal wires via an adapter. It can directly trace wires when a weak current device (like an Ethernet switch, router, or PC) is on. Note: Do not use on strong live circuits. Batteries not included.Line Status TesterIn TEST mode, this Ethernet tester checks for open circuits, short circuits, missing wires, and reverse connections using 18 indicator lights. It serves as a continuity tester and phone line tester to identify the state of telephone lines (clear, ring, busy) and determine TIP or RING lines. It can also test DC level polarity.Wire TrackerTraces Ethernet and electrical wires when connected to alligator clips; ensure wires are powered off to avoid damage. Strip wire insulation before co nnectingWith Earphone and LED FlashlightIncludes earphones for clear audio in noisy environments; adjust volume to avoid interference. Check battery if sound is low; LED flashlight aids visibility in dark.One year After-Sales Service Includes1x dual RJ11/RJ45 emitter, 1x RJ45 receiver, 1x pair of earphones, 1x RJ11 clip adapter, 1x RJ45 cable, 1x RJ11 cable, 1x storage box. Battery not included.