Designed for professionals working with network cabling, this advanced tester combines TDR technology, tone generation, and wire mapping into one versatile tool. It accurately measures cable length, identifies faults such as opens and shorts, and traces cables with precision using the included probe. The bright 2.5" color LCD provides clear readings, while the built-in flashlight enhances visibility in dim environments, making it ideal for installation, maintenance, and troubleshooting tasks. The TDR-100 Cable Tester and TDR are essential tools for network engineers, IT professionals, or anyone troubleshooting or maintaining network infrastructure. This tester allows you to find the length of network cables up to 1,312' (400m) long, identify breakpoints, test wire pairs, and trace cables.