- Network cable verification: Receives audio signals through cables or wires (telephone lines) and allows identification of the telephone line status (idle, ringing, off-hook). Ideal for installing, debugging, and maintaining telephone lines and other cables. - Versatile: 100% brand new and high-quality cable tester that helps find and trace buried and hidden cables. If the breakpoint is not detected, please refer to and use the cable tracker user manual. - Easy to carry: Reusable and durable. Small, lightweight, and easy to carry. Includes a bag for proper storage, preventing dust and collisions. - Simple operation: Sends a single or dual audio signal to the object's cables or wires. The line detector can trace cables or wires and diagnose the breakpoint. - Does not damage the insulation layer: Detects the passage of cables or wires without damaging the insulation layer. Verifies cable continuity, traces cables or wires, and diagnoses breakpoints. - Transmitter dimensions: 145 x 35 x 25 mm - Receiver dimensions: 238 x 43 x 26 mm - Total weight: 0.22 kg