General description This Tone Generator Kit is a high-quality wire tracer circuit tester designed for accurate and easy identification of cables. Made from wear-resistant and corrosion-resistant materials, it features a simple one-button operation and can identify cables in just one second. The kit includes a carrying bag for convenient storage and protection from damage. Technical specifications Gain: 30dB Input impedance: 100M Ohm Power requirement: Two 9V batteries (not included) Measurement allowed error: +/- 1-3cm Usage Can be used with any tone generator for identifying and tracing wires or cables without damaging insulation. Clamp mode available for direct measurement of non-terminal cables, as well as for telephone and network line measurement. Measurement capabilities include line tracking, short circuit testing, and clear/busy/ringing identification. Other information Insulation probe and built-in loudspeaker help avoid short circuits. Adjustable volume sensitivity control