Feature Highlights: 1. Non-Damage Insulation Layer Detection – Safely traces cables and wires without harming the insulation. Easily check if a cable is continuous and locate stoppage points. 2. Network Cable & Line Function Tester – Receives audio signals through cables or telephone lines. Identifies line status (idle, ringing, or off-hook) and sends single or dual-tone signals to target cables. 3. Portable & Durable Design – Compact, lightweight, and energy-efficient with a long service life. Includes a storage bag for protection against dust and impact. Reusable and built to last. 4. Multi-Function Capability – Doubles as a voltage detector, diagnoses break points, and receives tone signals on cables or telephone lines for versatile troubleshooting. Product Details: This multifunctional cable tracker and break detector is designed for efficient network maintenance. It safely traces wires without damaging insulation, checks continuity, and identifies fault locations. It tests network cables and telephone lines by receiving audio signals and detecting line status. Compact and portable, it comes with a protective storage bag, ensuring durability and convenience. Ideal for diagnosing breaks, receiving tone signals, and voltage detection in various wiring scenarios. Specifications: Cable Tracker & MS6812 Cable Break Detector