Tone Probe Generator Kits: Tester Type - Cable Identifier; Application - Identifies Single Conductors, Twisted Pairs, Coax Cables, Deenergized Wiring; Contents - (1)Analog Probe, (1) Tone Generator, (1) Carrying Case, RJ11 connector, Bed-of-nails clips; Additional Information - Trace through wood and drywall, Tones up to 10 miles on most cables; Manufacturer Series - Pro3000