High-grade tone and probe set comes with a canvas carrying pouch and belt loop for portability

Amplifier Probe:
•  Use to quickly trace and identify wires or cables, even when they are in a bundle
•  Probe can work with any tone generator on the market
•  Adjustable Volume level (1-9) for various work environments
•  9V batteries (included) provide up to 100 hours of use
•  Earphone jack provided for headset
•  Signal LED for strength indication

Tone Generator:
•  Red/Black testing leads with alligator clips
•  RJ-11 (6 position, 4 contact) standard modular jack
•  3-Position mode switch (OFF, CONT, and TONE)
•  3 LED displays (CONT, TONE and Low Battery)
•  Single solid tone or dual alternating tone output (preset in unit)