Features • High Accuracy Testing: Ensures testing of telephone and LAN cables, making it a reliable choice for electricians and technicians alike • SmartTone Functionality: Features advanced SmartTone technology for accurate pairing recognition, helping you easily identify the correct wire pairs • Construction: Built from high-quality, wear-resistant materials, this tool is designed to withstand the rigors of daily use in various environments • Tone Variation for Verification: Utilizes tone changes to confirm correct wire pairing, providing clarity and confidence during your testing and troubleshooting • Versatile Cable Detection: Offers 5 distinct tones for identification, enhancing your efficiency as a cable tracing tool in any networking setup Features: 1、Mainly used for testing telephone and LAN cables, high accuracy, safe and reliable, suitable for electricians. 2、Use for SmartTone function of the Pro3000 analog o generator for accurate pairing recognition. 3、The network cable tester is made of high？quality materials, and wear？resistant. 4、When touching wires together and momentarily shorting far end of a cable pair, for SmartTone technology will change cadence of tone generated. 5、Tone change you hear through the probe positively verifies correct wire pair. For SmartTone provides 5 distinct tones for exact pair identification. Specification: Item Type: Network Cable Tester Material: ABS Test Mode: Wire Tracking Usage: Network Cable Tester Test Area: Telephone and LAN Cable Cable Type: Unshielded Power Supply: DC 9V Battery (Battery Not Included) Package List: 1 x Tester (Battery Not Included) 1 x Tester Clip 1 x Manual Package List 1 x Tester (Battery Not Included) 1 x Tester Clip 1 x Manual