'- Includes: IntelliTone 200 Probe, RJ11 and RJ45 patch cables, lanyard, owners CD and quick start guide, and 9 volt battery- Detects IntelliTone digital signals on active networks and 500 to 1,200Hz analog signals on inactive networks to locate, trace, and isolate copper cabling- Identifies detected signals audibly and with eight LEDs that light successively as the signal strength increases for prompt isolation of a single cable within a bundle- Sync LED shows battery strength at power-up and confirms reception of IntelliTone signals- Available with a cable map function for validating RJ11 and RJ45 connectors by testing continuity and finding wiring faults on all four pairs of UTP and STP twisted pair cabling- Turns off automatically after one hour of inactivity