Extech Instruments Corporation's 2007-2008 product specifications, including a heavy-duty kit with audible tone and wire and cable identification. It features an insulated inductive probe to prevent shorting conductors, and functions such as wire trace, continuity test, clear/busy/ringing line test, and tip/ring identification. It includes alligator clips for non-terminated cables and modular connectors for direct connections to telephone and internet wiring. The kit also has a built-in speaker with sensitivity control. The dimensions are 9 x 2.3 x 1 inches for the probe and 2.5 x 2.5 x 1.5 inches for the generator, with a weight of 0.6 lbs. It is CE approved and comes with a one-year warranty. The kit is complete with an amplifier probe and tone generator, alligator clips and modular RJ11 phone and RJ45 digital connector cables, 9V batteries, and a case.