Suitable for tracing RJ11 (telephone lines), RJ45 (network cables), and other metal cables, accurately tracking even in tangled wiring. Detects short circuits, open circuits, wiring errors, and reverse connections in network cables. Capable of checking the operating status of telephone lines, including TIP or PING signal presence, DC level, and polarity. Supports low current below 60V and is designed for use with connected Ethernet switches, routers, and PC terminals. Easy to use with a transmitter and receiver setup, providing audible and visual indicators for locating target lines. This multi-functional cable tracker is an essential tool for anyone working with network and telephone lines. It allows for quick and accurate identification of cables, ensuring efficient troubleshooting and maintenance. The device is user-friendly, featuring a simple switch for scanning and clear indicators for successful detection. Ideal for both professional technicians and DIY enthusiasts, it enhances productivity and reduces downtime in cable management tasks. Color: Yellow Material: ABS Package Contents: 2 * VoIP cable finders 3 * connecting cables 1 * headset