General description A high-quality circuit tester, line finder, and tone generator designed to help you locate and trace buried or hidden wires without damaging their insulation. This versatile tool is perfect for installing, troubleshooting, and maintaining telephone lines and other cables. Technical specifications Includes: 1 transmitter, 1 receiver, 1 test cable, 1 carrying case, and 1 manual (batteries not included) Lightweight and compact design for easy portability Low power consumption Usage Detects continuity of cables or wires without damaging insulation Traces cables and diagnoses break points Receives audio signals through cables to determine the working status of telephone lines (idle, ringing, off-hook) Allows for self-repair without the need for professional assistance