Fluke Networks 26000900 Pro3000 Tone Generator and Probe Kit with SmartTone Technology

Tone and trace wire on non active networks; SmartTone technology provides 5 distinct tones for exact pair identification; Battery: 9 volt alkaline Sends a loud tone up to 16 kilometer (10 miles) in most cables and provides 5 distinct cadences for isolating individual wire pairs Precise SmartTone technology provides five distinct tones for exact pair identification, replaceable tip Pro3000 unfiltered probe with ergonomic sleek design, loud speaker is audible in noisy locations, 3.5 millimeter headphone jack Push button switch selects Solid, Alt and Off