Portable RJ11 Network Phone Telephone Cable Tester Toner Wire Tracker Tracer Diagnose Tone Line Finder Detector Networking ToolsPackage Included: 1 x Cable Emitter 1 x Cable Receiver 1 x RJ11 Cable 1 x RJ45 Cable 1 x Earphone 1 x Cable with Crocodile Clamp 1 x Instruction Manual ( Without Retail Package )