Extech 40180
Tone Generator and Amplifier Probe Kit

• Insulated inductive probe tip prevents shorting conductors
• Test include wire trace, continuity test, clear/busy/ringing line test and tip/ring identification
• Alligator clips for unterminated cables and modular connectors for direct connections to telephone and internet wiring
• Selectable continuous or variable tone generation
• Built-in speaker on probe with sensitivity control
• RJ45 and RJ11 modular connectors