Enhanced durability: This cable tester is made of high -quality materials, which can withstand long -term use and wear resistance to durability and reliability. Accurate and reliable test: This cable tester is and highly accurate, ensuring the safe and reliable testing of telephone and local area network cables, making it an important tool for electricians and . Easily identify the wire pair: Use SmartTone technology to identify the correct wires. When the remote end of the short -circuit cable is paired, the rhythm generated will change, so that the wire connection can be easily and accurately . Intelligent function of accurate pairing: use the SmartTone function of the Pro3000 analog o generator to accurately identify and pair the wire. Use this intelligent function to simplify the cable failure process. Unique tone, easy to identify: With the help of SmartTone technology, you can hear 5 different tones through probes. Easily identify and match the exact wire pairs required, save time and energy during the cable test. Colour:As Shown Material:plastic Package Contents: 1 set x Circuit Finder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.