3. Dedicated Lighting Lamp: Includes a built-in lighting lamp for smooth operation in dimly lit environments. 1. Signal Communication: Utilizes digital signal communication with strong anti-interference capability, ensuring noise-free wire tracing. With digital signal demodulation, it can trace wires up to 3 kilometers and accurately detect cables buried within 10 centimeters underground or in walls. 2. Outstanding Power Supply: Equipped with a built-in 3.7V lithium-ion rechargeable battery, providing a stable and long-lasting power source. 4. Versatile Interface Support: Supports cable testing for both RJ11 and RJ45 interfaces, offering wide applicability. 5. Superior Wire Tracing and Testing: The wire tracing function accurately locates the target wire, while the testing function detects issues such as open circuits, short circuits, and incorrect wire sequences, ensuring reliable network and cable operation., Weight: 1.00971715996 pounds, Manufacturer: Wesafrae