Harris' Pro 3000 tone and probe kit is THE professional kit you need for tracing and toning wire or cable. Use it on de-energized AC wire, telephone/twisted pair wire, all voice and data category rated cable, all coax cable, speaker wire, security wire, virtually any cable or wire. All in a durable nylon pouch with three pockets and extra large belt loop.
Features
Loud speaker amplifies tone through walls, enclosure, wood or plaster
Easy-to-use adjustable volume control dial
"Quick-twist" tip for easy replacement
Free spare tip.
SmartTone technology can generate five separate tones
External switch lets you select solid or alternating tone options, indicated with solid or flashing LEDs
Continuity testing
Line polarity confirmation
Line cord featured angled bed of nail clips and ruggedized RJ-11 plug for direct access to phone and data jacks without adapters.