FLIR Extech 40180 Tone Generator and Amplifier Probe

Easily identify wires and cables with the Extech 40180 Tone Generator and Amplifier Probe Kit from FLIR. This heavy-duty kit uses audible tones via an adjustable speaker to perform wire traces, continuity tests, clear, busy, or ringing line tests, and tip or ring identification. The Extech 40180 includes alligator clips for un-terminated cables, an RJ45 connector for testing digital connections (internet systems), an RJ11 connector for telephone systems, a 9V battery, and a carrying case.