Enhanced durability: This cable tester is made of high-quality materials, designed for long-term use and wear resistance. Accurate and reliable testing: This cable tester delivers high accuracy, ensuring safe and reliable testing of telephone and local area network cables. It is a valuable tool for electricians and professionals. Wire pair identification: Features SmartTone technology to identify correct wire pairs. When a short-circuit condition occurs at the remote end, the tone pattern changes, enabling easy and accurate wire verification. Intelligent pairing function: Utilizes the SmartTone function of the Pro3000 analog o generator to accurately identify and pair wires, simplifying cable troubleshooting. Tone-based identification: Supports 5 distinct ble tones through the probes, allowing quick and precise matching of required wire pairs—saving time and effort during testing. Color: As shown Material: Plastic Package Contents: 1 x Circuit Finder Note: Light reflection and display differences may cause slight color variation between the image and the actual product. Measurement tolerance is +/- 1–3 cm.