Tone, cable tracer

Wire Tracker, RJ11 RJ45 Line Finder Cable Tester for Network LAN Ethernet Cable Collation, Phone Telephone Line Test Wire Tracer Cable Tracker The signal leads are 500mm long and terminated with alligator clips. The modular leads is 300mm long and terminated a 4 pin RJ11 plug. Both units operate from a 9 volt batteries (Sold Separately). Supplied in a handy protective zip up vinyl case.